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Finding the Fourth Proportional to 48,113.59, 72,170.39 and 13,053.25

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Solution

The fourth proportional to 48,113.59, 72,170.39 and 13,053.25 is: 19,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,113.59 : 72,170.39 = 13,053.25 : x
  2. Step 2: Convert to fraction form
    48,113.59/72,170.39 = 13,053.25/x
  3. Step 3: Cross multiply
    48,113.59x = 72,170.39 × 13,053.25
  4. Step 4: Simplify right side
    48,113.59x = 942,058,078.00
  5. Step 5: Solve for x
    x = 942,058,078.00/48,113.59
  6. Step 6: Final answer
    x = 19,579.88

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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.