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Finding the Fourth Proportional to 67,559.68, 93,241.62 and 38,878.76

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Solution

The fourth proportional to 67,559.68, 93,241.62 and 38,878.76 is: 53,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,559.68 : 93,241.62 = 38,878.76 : x
  2. Step 2: Convert to fraction form
    67,559.68/93,241.62 = 38,878.76/x
  3. Step 3: Cross multiply
    67,559.68x = 93,241.62 × 38,878.76
  4. Step 4: Simplify right side
    67,559.68x = 3,625,118,565.99
  5. Step 5: Solve for x
    x = 3,625,118,565.99/67,559.68
  6. Step 6: Final answer
    x = 53,658.02

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Half scale
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Double scale
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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.