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Finding the Fourth Proportional to 61,405.38, 84,711.84 and 37,527.57

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Solution

The fourth proportional to 61,405.38, 84,711.84 and 37,527.57 is: 51,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,405.38 : 84,711.84 = 37,527.57 : x
  2. Step 2: Convert to fraction form
    61,405.38/84,711.84 = 37,527.57/x
  3. Step 3: Cross multiply
    61,405.38x = 84,711.84 × 37,527.57
  4. Step 4: Simplify right side
    61,405.38x = 3,179,029,505.43
  5. Step 5: Solve for x
    x = 3,179,029,505.43/61,405.38
  6. Step 6: Final answer
    x = 51,771.19

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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.