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Finding the Fourth Proportional to 63,031.20, 94,552.20 and 20,902.20

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Solution

The fourth proportional to 63,031.20, 94,552.20 and 20,902.20 is: 31,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,031.20 : 94,552.20 = 20,902.20 : x
  2. Step 2: Convert to fraction form
    63,031.20/94,552.20 = 20,902.20/x
  3. Step 3: Cross multiply
    63,031.20x = 94,552.20 × 20,902.20
  4. Step 4: Simplify right side
    63,031.20x = 1,976,348,994.84
  5. Step 5: Solve for x
    x = 1,976,348,994.84/63,031.20
  6. Step 6: Final answer
    x = 31,355.09

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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.