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Finding the Fourth Proportional to 48,700.84, 73,061.10 and 20,620.84

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Solution

The fourth proportional to 48,700.84, 73,061.10 and 20,620.84 is: 30,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,700.84 : 73,061.10 = 20,620.84 : x
  2. Step 2: Convert to fraction form
    48,700.84/73,061.10 = 20,620.84/x
  3. Step 3: Cross multiply
    48,700.84x = 73,061.10 × 20,620.84
  4. Step 4: Simplify right side
    48,700.84x = 1,506,581,253.32
  5. Step 5: Solve for x
    x = 1,506,581,253.32/48,700.84
  6. Step 6: Final answer
    x = 30,935.43

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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.