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Finding the Fourth Proportional to 58,111.74, 87,158.49 and 15,994.98

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Solution

The fourth proportional to 58,111.74, 87,158.49 and 15,994.98 is: 23,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,111.74 : 87,158.49 = 15,994.98 : x
  2. Step 2: Convert to fraction form
    58,111.74/87,158.49 = 15,994.98/x
  3. Step 3: Cross multiply
    58,111.74x = 87,158.49 × 15,994.98
  4. Step 4: Simplify right side
    58,111.74x = 1,394,098,304.38
  5. Step 5: Solve for x
    x = 1,394,098,304.38/58,111.74
  6. Step 6: Final answer
    x = 23,989.96

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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.