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Finding the Fourth Proportional to 61,708.38, 85,152.72 and 34,853.52

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Solution

The fourth proportional to 61,708.38, 85,152.72 and 34,853.52 is: 48,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,708.38 : 85,152.72 = 34,853.52 : x
  2. Step 2: Convert to fraction form
    61,708.38/85,152.72 = 34,853.52/x
  3. Step 3: Cross multiply
    61,708.38x = 85,152.72 × 34,853.52
  4. Step 4: Simplify right side
    61,708.38x = 2,967,872,029.57
  5. Step 5: Solve for x
    x = 2,967,872,029.57/61,708.38
  6. Step 6: Final answer
    x = 48,095.12

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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.