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Finding the Fourth Proportional to 58,515.56, 87,802.14 and 28,932.20

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Solution

The fourth proportional to 58,515.56, 87,802.14 and 28,932.20 is: 43,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,515.56 : 87,802.14 = 28,932.20 : x
  2. Step 2: Convert to fraction form
    58,515.56/87,802.14 = 28,932.20/x
  3. Step 3: Cross multiply
    58,515.56x = 87,802.14 × 28,932.20
  4. Step 4: Simplify right side
    58,515.56x = 2,540,309,074.91
  5. Step 5: Solve for x
    x = 2,540,309,074.91/58,515.56
  6. Step 6: Final answer
    x = 43,412.54

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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.