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Finding the Fourth Proportional to 48,236.80, 72,322.80 and 25,751.20

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Solution

The fourth proportional to 48,236.80, 72,322.80 and 25,751.20 is: 38,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,236.80 : 72,322.80 = 25,751.20 : x
  2. Step 2: Convert to fraction form
    48,236.80/72,322.80 = 25,751.20/x
  3. Step 3: Cross multiply
    48,236.80x = 72,322.80 × 25,751.20
  4. Step 4: Simplify right side
    48,236.80x = 1,862,398,887.36
  5. Step 5: Solve for x
    x = 1,862,398,887.36/48,236.80
  6. Step 6: Final answer
    x = 38,609.50

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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.