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Finding the Fourth Proportional to 67,034.52, 92,509.90 and 38,358.92

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Solution

The fourth proportional to 67,034.52, 92,509.90 and 38,358.92 is: 52,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,034.52 : 92,509.90 = 38,358.92 : x
  2. Step 2: Convert to fraction form
    67,034.52/92,509.90 = 38,358.92/x
  3. Step 3: Cross multiply
    67,034.52x = 92,509.90 × 38,358.92
  4. Step 4: Simplify right side
    67,034.52x = 3,548,579,853.31
  5. Step 5: Solve for x
    x = 3,548,579,853.31/67,034.52
  6. Step 6: Final answer
    x = 52,936.60

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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.