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Finding the Fourth Proportional to 12,059.52, 16,645.44 and 7,343.76

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Solution

The fourth proportional to 12,059.52, 16,645.44 and 7,343.76 is: 10,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.52 : 16,645.44 = 7,343.76 : x
  2. Step 2: Convert to fraction form
    12,059.52/16,645.44 = 7,343.76/x
  3. Step 3: Cross multiply
    12,059.52x = 16,645.44 × 7,343.76
  4. Step 4: Simplify right side
    12,059.52x = 122,240,116.45
  5. Step 5: Solve for x
    x = 122,240,116.45/12,059.52
  6. Step 6: Final answer
    x = 10,136.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.