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Finding the Fourth Proportional to 48,994.61, 67,613.92 and 27,775.24

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Solution

The fourth proportional to 48,994.61, 67,613.92 and 27,775.24 is: 38,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,994.61 : 67,613.92 = 27,775.24 : x
  2. Step 2: Convert to fraction form
    48,994.61/67,613.92 = 27,775.24/x
  3. Step 3: Cross multiply
    48,994.61x = 67,613.92 × 27,775.24
  4. Step 4: Simplify right side
    48,994.61x = 1,877,992,616.87
  5. Step 5: Solve for x
    x = 1,877,992,616.87/48,994.61
  6. Step 6: Final answer
    x = 38,330.60

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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.