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Finding the Fourth Proportional to 48,713.30, 73,069.95 and 48,057.20

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Solution

The fourth proportional to 48,713.30, 73,069.95 and 48,057.20 is: 72,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,713.30 : 73,069.95 = 48,057.20 : x
  2. Step 2: Convert to fraction form
    48,713.30/73,069.95 = 48,057.20/x
  3. Step 3: Cross multiply
    48,713.30x = 73,069.95 × 48,057.20
  4. Step 4: Simplify right side
    48,713.30x = 3,511,537,201.14
  5. Step 5: Solve for x
    x = 3,511,537,201.14/48,713.30
  6. Step 6: Final answer
    x = 72,085.80

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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.