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Finding the Fourth Proportional to 58,195.64, 87,293.28 and 38,469.80

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Solution

The fourth proportional to 58,195.64, 87,293.28 and 38,469.80 is: 57,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,195.64 : 87,293.28 = 38,469.80 : x
  2. Step 2: Convert to fraction form
    58,195.64/87,293.28 = 38,469.80/x
  3. Step 3: Cross multiply
    58,195.64x = 87,293.28 × 38,469.80
  4. Step 4: Simplify right side
    58,195.64x = 3,358,155,022.94
  5. Step 5: Solve for x
    x = 3,358,155,022.94/58,195.64
  6. Step 6: Final answer
    x = 57,704.58

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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.