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Finding the Fourth Proportional to 64,562.25, 96,848.95 and 17,815.12

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Solution

The fourth proportional to 64,562.25, 96,848.95 and 17,815.12 is: 26,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,562.25 : 96,848.95 = 17,815.12 : x
  2. Step 2: Convert to fraction form
    64,562.25/96,848.95 = 17,815.12/x
  3. Step 3: Cross multiply
    64,562.25x = 96,848.95 × 17,815.12
  4. Step 4: Simplify right side
    64,562.25x = 1,725,375,666.12
  5. Step 5: Solve for x
    x = 1,725,375,666.12/64,562.25
  6. Step 6: Final answer
    x = 26,724.22

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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.