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Finding the Fourth Proportional to 58,601.45, 87,891.03 and 28,585.55

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Solution

The fourth proportional to 58,601.45, 87,891.03 and 28,585.55 is: 42,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,601.45 : 87,891.03 = 28,585.55 : x
  2. Step 2: Convert to fraction form
    58,601.45/87,891.03 = 28,585.55/x
  3. Step 3: Cross multiply
    58,601.45x = 87,891.03 × 28,585.55
  4. Step 4: Simplify right side
    58,601.45x = 2,512,412,993.16
  5. Step 5: Solve for x
    x = 2,512,412,993.16/58,601.45
  6. Step 6: Final answer
    x = 42,872.88

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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.