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Finding the Fourth Proportional to 58,160.59, 87,241.32 and 31,850.98

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Solution

The fourth proportional to 58,160.59, 87,241.32 and 31,850.98 is: 47,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,160.59 : 87,241.32 = 31,850.98 : x
  2. Step 2: Convert to fraction form
    58,160.59/87,241.32 = 31,850.98/x
  3. Step 3: Cross multiply
    58,160.59x = 87,241.32 × 31,850.98
  4. Step 4: Simplify right side
    58,160.59x = 2,778,721,102.29
  5. Step 5: Solve for x
    x = 2,778,721,102.29/58,160.59
  6. Step 6: Final answer
    x = 47,776.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.