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Finding the Fourth Proportional to 58,251.92, 80,368.29 and 47,478.29

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Solution

The fourth proportional to 58,251.92, 80,368.29 and 47,478.29 is: 65,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,251.92 : 80,368.29 = 47,478.29 : x
  2. Step 2: Convert to fraction form
    58,251.92/80,368.29 = 47,478.29/x
  3. Step 3: Cross multiply
    58,251.92x = 80,368.29 × 47,478.29
  4. Step 4: Simplify right side
    58,251.92x = 3,815,748,577.58
  5. Step 5: Solve for x
    x = 3,815,748,577.58/58,251.92
  6. Step 6: Final answer
    x = 65,504.26

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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.