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Finding the Fourth Proportional to 68,565.60, 94,710.87 and 52,622.64

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Solution

The fourth proportional to 68,565.60, 94,710.87 and 52,622.64 is: 72,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,565.60 : 94,710.87 = 52,622.64 : x
  2. Step 2: Convert to fraction form
    68,565.60/94,710.87 = 52,622.64/x
  3. Step 3: Cross multiply
    68,565.60x = 94,710.87 × 52,622.64
  4. Step 4: Simplify right side
    68,565.60x = 4,983,936,016.10
  5. Step 5: Solve for x
    x = 4,983,936,016.10/68,565.60
  6. Step 6: Final answer
    x = 72,688.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.