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Finding the Fourth Proportional to 58,996.60, 88,349.10 and 39,167.80

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Solution

The fourth proportional to 58,996.60, 88,349.10 and 39,167.80 is: 58,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,996.60 : 88,349.10 = 39,167.80 : x
  2. Step 2: Convert to fraction form
    58,996.60/88,349.10 = 39,167.80/x
  3. Step 3: Cross multiply
    58,996.60x = 88,349.10 × 39,167.80
  4. Step 4: Simplify right side
    58,996.60x = 3,460,439,878.98
  5. Step 5: Solve for x
    x = 3,460,439,878.98/58,996.60
  6. Step 6: Final answer
    x = 58,654.90

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1.5x scale

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.