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Finding the Fourth Proportional to 19,557.74, 29,337.02 and 4,766.74

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Solution

The fourth proportional to 19,557.74, 29,337.02 and 4,766.74 is: 7,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.74 : 29,337.02 = 4,766.74 : x
  2. Step 2: Convert to fraction form
    19,557.74/29,337.02 = 4,766.74/x
  3. Step 3: Cross multiply
    19,557.74x = 29,337.02 × 4,766.74
  4. Step 4: Simplify right side
    19,557.74x = 139,841,946.71
  5. Step 5: Solve for x
    x = 139,841,946.71/19,557.74
  6. Step 6: Final answer
    x = 7,150.21

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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.