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Finding the Fourth Proportional to 67,437.65, 93,023.88 and 43,578.42

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Solution

The fourth proportional to 67,437.65, 93,023.88 and 43,578.42 is: 60,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,437.65 : 93,023.88 = 43,578.42 : x
  2. Step 2: Convert to fraction form
    67,437.65/93,023.88 = 43,578.42/x
  3. Step 3: Cross multiply
    67,437.65x = 93,023.88 × 43,578.42
  4. Step 4: Simplify right side
    67,437.65x = 4,053,833,712.67
  5. Step 5: Solve for x
    x = 4,053,833,712.67/67,437.65
  6. Step 6: Final answer
    x = 60,112.33

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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.