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Finding the Fourth Proportional to 62,149.42, 85,763.26 and 35,288.42

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Solution

The fourth proportional to 62,149.42, 85,763.26 and 35,288.42 is: 48,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,149.42 : 85,763.26 = 35,288.42 : x
  2. Step 2: Convert to fraction form
    62,149.42/85,763.26 = 35,288.42/x
  3. Step 3: Cross multiply
    62,149.42x = 85,763.26 × 35,288.42
  4. Step 4: Simplify right side
    62,149.42x = 3,026,449,939.45
  5. Step 5: Solve for x
    x = 3,026,449,939.45/62,149.42
  6. Step 6: Final answer
    x = 48,696.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.