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Finding the Fourth Proportional to 58,136.40, 87,164.88 and 30,044.88

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Solution

The fourth proportional to 58,136.40, 87,164.88 and 30,044.88 is: 45,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,136.40 : 87,164.88 = 30,044.88 : x
  2. Step 2: Convert to fraction form
    58,136.40/87,164.88 = 30,044.88/x
  3. Step 3: Cross multiply
    58,136.40x = 87,164.88 × 30,044.88
  4. Step 4: Simplify right side
    58,136.40x = 2,618,858,359.81
  5. Step 5: Solve for x
    x = 2,618,858,359.81/58,136.40
  6. Step 6: Final answer
    x = 45,046.79

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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.