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Finding the Fourth Proportional to 49,491.40, 74,253.40 and 32,916.64

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Solution

The fourth proportional to 49,491.40, 74,253.40 and 32,916.64 is: 49,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,491.40 : 74,253.40 = 32,916.64 : x
  2. Step 2: Convert to fraction form
    49,491.40/74,253.40 = 32,916.64/x
  3. Step 3: Cross multiply
    49,491.40x = 74,253.40 × 32,916.64
  4. Step 4: Simplify right side
    49,491.40x = 2,444,172,436.58
  5. Step 5: Solve for x
    x = 2,444,172,436.58/49,491.40
  6. Step 6: Final answer
    x = 49,385.80

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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.