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Finding the Fourth Proportional to 52,575.93, 72,553.80 and 28,702.80

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Solution

The fourth proportional to 52,575.93, 72,553.80 and 28,702.80 is: 39,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,575.93 : 72,553.80 = 28,702.80 : x
  2. Step 2: Convert to fraction form
    52,575.93/72,553.80 = 28,702.80/x
  3. Step 3: Cross multiply
    52,575.93x = 72,553.80 × 28,702.80
  4. Step 4: Simplify right side
    52,575.93x = 2,082,497,210.64
  5. Step 5: Solve for x
    x = 2,082,497,210.64/52,575.93
  6. Step 6: Final answer
    x = 39,609.33

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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.