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Finding the Fourth Proportional to 52,601.50, 72,580.45 and 29,939.16

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Solution

The fourth proportional to 52,601.50, 72,580.45 and 29,939.16 is: 41,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,601.50 : 72,580.45 = 29,939.16 : x
  2. Step 2: Convert to fraction form
    52,601.50/72,580.45 = 29,939.16/x
  3. Step 3: Cross multiply
    52,601.50x = 72,580.45 × 29,939.16
  4. Step 4: Simplify right side
    52,601.50x = 2,172,997,705.42
  5. Step 5: Solve for x
    x = 2,172,997,705.42/52,601.50
  6. Step 6: Final answer
    x = 41,310.57

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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.