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Finding the Fourth Proportional to 48,101.88, 72,144.48 and 13,033.44

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Solution

The fourth proportional to 48,101.88, 72,144.48 and 13,033.44 is: 19,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,101.88 : 72,144.48 = 13,033.44 : x
  2. Step 2: Convert to fraction form
    48,101.88/72,144.48 = 13,033.44/x
  3. Step 3: Cross multiply
    48,101.88x = 72,144.48 × 13,033.44
  4. Step 4: Simplify right side
    48,101.88x = 940,290,751.41
  5. Step 5: Solve for x
    x = 940,290,751.41/48,101.88
  6. Step 6: Final answer
    x = 19,547.90

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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.