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Finding the Fourth Proportional to 48,605.98, 72,937.68 and 20,524.22

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Solution

The fourth proportional to 48,605.98, 72,937.68 and 20,524.22 is: 30,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,605.98 : 72,937.68 = 20,524.22 : x
  2. Step 2: Convert to fraction form
    48,605.98/72,937.68 = 20,524.22/x
  3. Step 3: Cross multiply
    48,605.98x = 72,937.68 × 20,524.22
  4. Step 4: Simplify right side
    48,605.98x = 1,496,988,990.61
  5. Step 5: Solve for x
    x = 1,496,988,990.61/48,605.98
  6. Step 6: Final answer
    x = 30,798.45

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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.