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Finding the Fourth Proportional to 10,637.13, 15,927.82 and 7,500.15

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Solution

The fourth proportional to 10,637.13, 15,927.82 and 7,500.15 is: 11,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.13 : 15,927.82 = 7,500.15 : x
  2. Step 2: Convert to fraction form
    10,637.13/15,927.82 = 7,500.15/x
  3. Step 3: Cross multiply
    10,637.13x = 15,927.82 × 7,500.15
  4. Step 4: Simplify right side
    10,637.13x = 119,461,039.17
  5. Step 5: Solve for x
    x = 119,461,039.17/10,637.13
  6. Step 6: Final answer
    x = 11,230.57

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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.