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Finding the Fourth Proportional to 57,235.80, 85,853.70 and 17,796.90

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Solution

The fourth proportional to 57,235.80, 85,853.70 and 17,796.90 is: 26,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,235.80 : 85,853.70 = 17,796.90 : x
  2. Step 2: Convert to fraction form
    57,235.80/85,853.70 = 17,796.90/x
  3. Step 3: Cross multiply
    57,235.80x = 85,853.70 × 17,796.90
  4. Step 4: Simplify right side
    57,235.80x = 1,527,929,713.53
  5. Step 5: Solve for x
    x = 1,527,929,713.53/57,235.80
  6. Step 6: Final answer
    x = 26,695.35

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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.