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Finding the Fourth Proportional to 58,261.40, 87,456.90 and 36,099.80

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Solution

The fourth proportional to 58,261.40, 87,456.90 and 36,099.80 is: 54,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,261.40 : 87,456.90 = 36,099.80 : x
  2. Step 2: Convert to fraction form
    58,261.40/87,456.90 = 36,099.80/x
  3. Step 3: Cross multiply
    58,261.40x = 87,456.90 × 36,099.80
  4. Step 4: Simplify right side
    58,261.40x = 3,157,176,598.62
  5. Step 5: Solve for x
    x = 3,157,176,598.62/58,261.40
  6. Step 6: Final answer
    x = 54,189.85

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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.