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Finding the Fourth Proportional to 67,937.77, 101,853.06 and 42,925.11

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Solution

The fourth proportional to 67,937.77, 101,853.06 and 42,925.11 is: 64,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,937.77 : 101,853.06 = 42,925.11 : x
  2. Step 2: Convert to fraction form
    67,937.77/101,853.06 = 42,925.11/x
  3. Step 3: Cross multiply
    67,937.77x = 101,853.06 × 42,925.11
  4. Step 4: Simplify right side
    67,937.77x = 4,372,053,502.87
  5. Step 5: Solve for x
    x = 4,372,053,502.87/67,937.77
  6. Step 6: Final answer
    x = 64,353.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.