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Finding the Fourth Proportional to 63,654.60, 88,999.80 and 63,654.60

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Solution

The fourth proportional to 63,654.60, 88,999.80 and 63,654.60 is: 88,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,654.60 : 88,999.80 = 63,654.60 : x
  2. Step 2: Convert to fraction form
    63,654.60/88,999.80 = 63,654.60/x
  3. Step 3: Cross multiply
    63,654.60x = 88,999.80 × 63,654.60
  4. Step 4: Simplify right side
    63,654.60x = 5,665,246,669.08
  5. Step 5: Solve for x
    x = 5,665,246,669.08/63,654.60
  6. Step 6: Final answer
    x = 88,999.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.