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Finding the Fourth Proportional to 40,802.70, 61,204.05 and 15,501.90

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Solution

The fourth proportional to 40,802.70, 61,204.05 and 15,501.90 is: 23,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,802.70 : 61,204.05 = 15,501.90 : x
  2. Step 2: Convert to fraction form
    40,802.70/61,204.05 = 15,501.90/x
  3. Step 3: Cross multiply
    40,802.70x = 61,204.05 × 15,501.90
  4. Step 4: Simplify right side
    40,802.70x = 948,779,062.70
  5. Step 5: Solve for x
    x = 948,779,062.70/40,802.70
  6. Step 6: Final answer
    x = 23,252.85

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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.