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Finding the Fourth Proportional to 64,557.53, 96,841.87 and 17,810.40

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Solution

The fourth proportional to 64,557.53, 96,841.87 and 17,810.40 is: 26,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,557.53 : 96,841.87 = 17,810.40 : x
  2. Step 2: Convert to fraction form
    64,557.53/96,841.87 = 17,810.40/x
  3. Step 3: Cross multiply
    64,557.53x = 96,841.87 × 17,810.40
  4. Step 4: Simplify right side
    64,557.53x = 1,724,792,562.50
  5. Step 5: Solve for x
    x = 1,724,792,562.50/64,557.53
  6. Step 6: Final answer
    x = 26,717.14

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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.