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Finding the Fourth Proportional to 58,400.65, 80,599.20 and 35,754.88

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Solution

The fourth proportional to 58,400.65, 80,599.20 and 35,754.88 is: 49,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,400.65 : 80,599.20 = 35,754.88 : x
  2. Step 2: Convert to fraction form
    58,400.65/80,599.20 = 35,754.88/x
  3. Step 3: Cross multiply
    58,400.65x = 80,599.20 × 35,754.88
  4. Step 4: Simplify right side
    58,400.65x = 2,881,814,724.10
  5. Step 5: Solve for x
    x = 2,881,814,724.10/58,400.65
  6. Step 6: Final answer
    x = 49,345.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.