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Finding the Fourth Proportional to 58,992.60, 81,513.42 and 47,153.64

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Solution

The fourth proportional to 58,992.60, 81,513.42 and 47,153.64 is: 65,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,992.60 : 81,513.42 = 47,153.64 : x
  2. Step 2: Convert to fraction form
    58,992.60/81,513.42 = 47,153.64/x
  3. Step 3: Cross multiply
    58,992.60x = 81,513.42 × 47,153.64
  4. Step 4: Simplify right side
    58,992.60x = 3,843,654,461.85
  5. Step 5: Solve for x
    x = 3,843,654,461.85/58,992.60
  6. Step 6: Final answer
    x = 65,154.86

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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.