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Finding the Fourth Proportional to 67,248.82, 100,873.23 and 20,501.29

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Solution

The fourth proportional to 67,248.82, 100,873.23 and 20,501.29 is: 30,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,248.82 : 100,873.23 = 20,501.29 : x
  2. Step 2: Convert to fraction form
    67,248.82/100,873.23 = 20,501.29/x
  3. Step 3: Cross multiply
    67,248.82x = 100,873.23 × 20,501.29
  4. Step 4: Simplify right side
    67,248.82x = 2,068,031,341.47
  5. Step 5: Solve for x
    x = 2,068,031,341.47/67,248.82
  6. Step 6: Final answer
    x = 30,751.94

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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.