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Finding the Fourth Proportional to 12,461.58, 17,199.95 and 7,995.92

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Solution

The fourth proportional to 12,461.58, 17,199.95 and 7,995.92 is: 11,036.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.58 : 17,199.95 = 7,995.92 : x
  2. Step 2: Convert to fraction form
    12,461.58/17,199.95 = 7,995.92/x
  3. Step 3: Cross multiply
    12,461.58x = 17,199.95 × 7,995.92
  4. Step 4: Simplify right side
    12,461.58x = 137,529,298.22
  5. Step 5: Solve for x
    x = 137,529,298.22/12,461.58
  6. Step 6: Final answer
    x = 11,036.26

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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.