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Finding the Fourth Proportional to 40,063.88, 60,400.04 and 37,920.62

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Solution

The fourth proportional to 40,063.88, 60,400.04 and 37,920.62 is: 57,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,063.88 : 60,400.04 = 37,920.62 : x
  2. Step 2: Convert to fraction form
    40,063.88/60,400.04 = 37,920.62/x
  3. Step 3: Cross multiply
    40,063.88x = 60,400.04 × 37,920.62
  4. Step 4: Simplify right side
    40,063.88x = 2,290,406,964.82
  5. Step 5: Solve for x
    x = 2,290,406,964.82/40,063.88
  6. Step 6: Final answer
    x = 57,168.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.