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Finding the Fourth Proportional to 38,475.40, 57,713.10 and 35,624.20

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Solution

The fourth proportional to 38,475.40, 57,713.10 and 35,624.20 is: 53,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.40 : 57,713.10 = 35,624.20 : x
  2. Step 2: Convert to fraction form
    38,475.40/57,713.10 = 35,624.20/x
  3. Step 3: Cross multiply
    38,475.40x = 57,713.10 × 35,624.20
  4. Step 4: Simplify right side
    38,475.40x = 2,055,983,017.02
  5. Step 5: Solve for x
    x = 2,055,983,017.02/38,475.40
  6. Step 6: Final answer
    x = 53,436.30

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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.