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Finding the Fourth Proportional to 61,989.10, 93,007.95 and 22,550.20

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Solution

The fourth proportional to 61,989.10, 93,007.95 and 22,550.20 is: 33,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,989.10 : 93,007.95 = 22,550.20 : x
  2. Step 2: Convert to fraction form
    61,989.10/93,007.95 = 22,550.20/x
  3. Step 3: Cross multiply
    61,989.10x = 93,007.95 × 22,550.20
  4. Step 4: Simplify right side
    61,989.10x = 2,097,347,874.09
  5. Step 5: Solve for x
    x = 2,097,347,874.09/61,989.10
  6. Step 6: Final answer
    x = 33,834.14

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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.