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Finding the Fourth Proportional to 69,597.94, 96,044.13 and 40,920.84

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Solution

The fourth proportional to 69,597.94, 96,044.13 and 40,920.84 is: 56,470.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,597.94 : 96,044.13 = 40,920.84 : x
  2. Step 2: Convert to fraction form
    69,597.94/96,044.13 = 40,920.84/x
  3. Step 3: Cross multiply
    69,597.94x = 96,044.13 × 40,920.84
  4. Step 4: Simplify right side
    69,597.94x = 3,930,206,476.67
  5. Step 5: Solve for x
    x = 3,930,206,476.67/69,597.94
  6. Step 6: Final answer
    x = 56,470.16

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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.