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Finding the Fourth Proportional to 73,422.84, 101,323.50 and 39,888.84

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Solution

The fourth proportional to 73,422.84, 101,323.50 and 39,888.84 is: 55,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,422.84 : 101,323.50 = 39,888.84 : x
  2. Step 2: Convert to fraction form
    73,422.84/101,323.50 = 39,888.84/x
  3. Step 3: Cross multiply
    73,422.84x = 101,323.50 × 39,888.84
  4. Step 4: Simplify right side
    73,422.84x = 4,041,676,879.74
  5. Step 5: Solve for x
    x = 4,041,676,879.74/73,422.84
  6. Step 6: Final answer
    x = 55,046.59

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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.