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Finding the Fourth Proportional to 58,319.28, 87,584.31 and 53,630.64

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Solution

The fourth proportional to 58,319.28, 87,584.31 and 53,630.64 is: 80,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,319.28 : 87,584.31 = 53,630.64 : x
  2. Step 2: Convert to fraction form
    58,319.28/87,584.31 = 53,630.64/x
  3. Step 3: Cross multiply
    58,319.28x = 87,584.31 × 53,630.64
  4. Step 4: Simplify right side
    58,319.28x = 4,697,202,599.26
  5. Step 5: Solve for x
    x = 4,697,202,599.26/58,319.28
  6. Step 6: Final answer
    x = 80,542.88

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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.