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Finding the Fourth Proportional to 52,187.75, 78,285.98 and 16,654.20

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Solution

The fourth proportional to 52,187.75, 78,285.98 and 16,654.20 is: 24,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,187.75 : 78,285.98 = 16,654.20 : x
  2. Step 2: Convert to fraction form
    52,187.75/78,285.98 = 16,654.20/x
  3. Step 3: Cross multiply
    52,187.75x = 78,285.98 × 16,654.20
  4. Step 4: Simplify right side
    52,187.75x = 1,303,790,368.12
  5. Step 5: Solve for x
    x = 1,303,790,368.12/52,187.75
  6. Step 6: Final answer
    x = 24,982.69

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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.