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Finding the Fourth Proportional to 60,278.58, 83,184.37 and 36,400.79

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Solution

The fourth proportional to 60,278.58, 83,184.37 and 36,400.79 is: 50,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,278.58 : 83,184.37 = 36,400.79 : x
  2. Step 2: Convert to fraction form
    60,278.58/83,184.37 = 36,400.79/x
  3. Step 3: Cross multiply
    60,278.58x = 83,184.37 × 36,400.79
  4. Step 4: Simplify right side
    60,278.58x = 3,027,976,900.61
  5. Step 5: Solve for x
    x = 3,027,976,900.61/60,278.58
  6. Step 6: Final answer
    x = 50,233.05

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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.