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Finding the Fourth Proportional to 64,419.78, 88,854.32 and 62,252.22

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Solution

The fourth proportional to 64,419.78, 88,854.32 and 62,252.22 is: 85,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,419.78 : 88,854.32 = 62,252.22 : x
  2. Step 2: Convert to fraction form
    64,419.78/88,854.32 = 62,252.22/x
  3. Step 3: Cross multiply
    64,419.78x = 88,854.32 × 62,252.22
  4. Step 4: Simplify right side
    64,419.78x = 5,531,378,676.59
  5. Step 5: Solve for x
    x = 5,531,378,676.59/64,419.78
  6. Step 6: Final answer
    x = 85,864.60

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1.5x scale

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.