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Finding the Fourth Proportional to 61,251.95, 84,503.57 and 35,393.42

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Solution

The fourth proportional to 61,251.95, 84,503.57 and 35,393.42 is: 48,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,251.95 : 84,503.57 = 35,393.42 : x
  2. Step 2: Convert to fraction form
    61,251.95/84,503.57 = 35,393.42/x
  3. Step 3: Cross multiply
    61,251.95x = 84,503.57 × 35,393.42
  4. Step 4: Simplify right side
    61,251.95x = 2,990,870,010.48
  5. Step 5: Solve for x
    x = 2,990,870,010.48/61,251.95
  6. Step 6: Final answer
    x = 48,828.97

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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.