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Finding the Fourth Proportional to 58,794.59, 81,086.27 and 39,671.10

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Solution

The fourth proportional to 58,794.59, 81,086.27 and 39,671.10 is: 54,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,794.59 : 81,086.27 = 39,671.10 : x
  2. Step 2: Convert to fraction form
    58,794.59/81,086.27 = 39,671.10/x
  3. Step 3: Cross multiply
    58,794.59x = 81,086.27 × 39,671.10
  4. Step 4: Simplify right side
    58,794.59x = 3,216,781,327.44
  5. Step 5: Solve for x
    x = 3,216,781,327.44/58,794.59
  6. Step 6: Final answer
    x = 54,712.20

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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.