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Finding the Fourth Proportional to 62,752.84, 93,575.70 and 54,043.72

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Solution

The fourth proportional to 62,752.84, 93,575.70 and 54,043.72 is: 80,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,752.84 : 93,575.70 = 54,043.72 : x
  2. Step 2: Convert to fraction form
    62,752.84/93,575.70 = 54,043.72/x
  3. Step 3: Cross multiply
    62,752.84x = 93,575.70 × 54,043.72
  4. Step 4: Simplify right side
    62,752.84x = 5,057,178,929.60
  5. Step 5: Solve for x
    x = 5,057,178,929.60/62,752.84
  6. Step 6: Final answer
    x = 80,588.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.