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Finding the Fourth Proportional to 10,059.70, 15,089.55 and 7,467.70

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Solution

The fourth proportional to 10,059.70, 15,089.55 and 7,467.70 is: 11,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.70 : 15,089.55 = 7,467.70 : x
  2. Step 2: Convert to fraction form
    10,059.70/15,089.55 = 7,467.70/x
  3. Step 3: Cross multiply
    10,059.70x = 15,089.55 × 7,467.70
  4. Step 4: Simplify right side
    10,059.70x = 112,684,232.54
  5. Step 5: Solve for x
    x = 112,684,232.54/10,059.70
  6. Step 6: Final answer
    x = 11,201.55

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.