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Finding the Fourth Proportional to 58,129.96, 80,221.98 and 34,257.64

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Solution

The fourth proportional to 58,129.96, 80,221.98 and 34,257.64 is: 47,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,129.96 : 80,221.98 = 34,257.64 : x
  2. Step 2: Convert to fraction form
    58,129.96/80,221.98 = 34,257.64/x
  3. Step 3: Cross multiply
    58,129.96x = 80,221.98 × 34,257.64
  4. Step 4: Simplify right side
    58,129.96x = 2,748,215,710.93
  5. Step 5: Solve for x
    x = 2,748,215,710.93/58,129.96
  6. Step 6: Final answer
    x = 47,277.10

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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.