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Finding the Fourth Proportional to 83,647.66, 125,445 and 27,474.72

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Solution

The fourth proportional to 83,647.66, 125,445 and 27,474.72 is: 41,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,647.66 : 125,445 = 27,474.72 : x
  2. Step 2: Convert to fraction form
    83,647.66/125,445 = 27,474.72/x
  3. Step 3: Cross multiply
    83,647.66x = 125,445 × 27,474.72
  4. Step 4: Simplify right side
    83,647.66x = 3,446,566,250.40
  5. Step 5: Solve for x
    x = 3,446,566,250.40/83,647.66
  6. Step 6: Final answer
    x = 41,203.38

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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.