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Finding the Fourth Proportional to 69,866.84, 96,304.19 and 47,198.58

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Solution

The fourth proportional to 69,866.84, 96,304.19 and 47,198.58 is: 65,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,866.84 : 96,304.19 = 47,198.58 : x
  2. Step 2: Convert to fraction form
    69,866.84/96,304.19 = 47,198.58/x
  3. Step 3: Cross multiply
    69,866.84x = 96,304.19 × 47,198.58
  4. Step 4: Simplify right side
    69,866.84x = 4,545,420,780.06
  5. Step 5: Solve for x
    x = 4,545,420,780.06/69,866.84
  6. Step 6: Final answer
    x = 65,058.35

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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.