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Finding the Fourth Proportional to 10,008.84, 15,010.47 and 3,432.81

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Solution

The fourth proportional to 10,008.84, 15,010.47 and 3,432.81 is: 5,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.84 : 15,010.47 = 3,432.81 : x
  2. Step 2: Convert to fraction form
    10,008.84/15,010.47 = 3,432.81/x
  3. Step 3: Cross multiply
    10,008.84x = 15,010.47 × 3,432.81
  4. Step 4: Simplify right side
    10,008.84x = 51,528,091.52
  5. Step 5: Solve for x
    x = 51,528,091.52/10,008.84
  6. Step 6: Final answer
    x = 5,148.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.