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Finding the Fourth Proportional to 48,751.50, 67,278.28 and 29,899.02

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Solution

The fourth proportional to 48,751.50, 67,278.28 and 29,899.02 is: 41,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,751.50 : 67,278.28 = 29,899.02 : x
  2. Step 2: Convert to fraction form
    48,751.50/67,278.28 = 29,899.02/x
  3. Step 3: Cross multiply
    48,751.50x = 67,278.28 × 29,899.02
  4. Step 4: Simplify right side
    48,751.50x = 2,011,554,639.29
  5. Step 5: Solve for x
    x = 2,011,554,639.29/48,751.50
  6. Step 6: Final answer
    x = 41,261.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.