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Finding the Fourth Proportional to 50,005.80, 75,008.70 and 48,839.40

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Solution

The fourth proportional to 50,005.80, 75,008.70 and 48,839.40 is: 73,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,005.80 : 75,008.70 = 48,839.40 : x
  2. Step 2: Convert to fraction form
    50,005.80/75,008.70 = 48,839.40/x
  3. Step 3: Cross multiply
    50,005.80x = 75,008.70 × 48,839.40
  4. Step 4: Simplify right side
    50,005.80x = 3,663,379,902.78
  5. Step 5: Solve for x
    x = 3,663,379,902.78/50,005.80
  6. Step 6: Final answer
    x = 73,259.10

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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.