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Finding the Fourth Proportional to 48,679.61, 67,182.62 and 29,554.97

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Solution

The fourth proportional to 48,679.61, 67,182.62 and 29,554.97 is: 40,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679.61 : 67,182.62 = 29,554.97 : x
  2. Step 2: Convert to fraction form
    48,679.61/67,182.62 = 29,554.97/x
  3. Step 3: Cross multiply
    48,679.61x = 67,182.62 × 29,554.97
  4. Step 4: Simplify right side
    48,679.61x = 1,985,579,834.93
  5. Step 5: Solve for x
    x = 1,985,579,834.93/48,679.61
  6. Step 6: Final answer
    x = 40,788.74

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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.