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Finding the Fourth Proportional to 69,757.78, 96,281.02 and 45,886.80

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Solution

The fourth proportional to 69,757.78, 96,281.02 and 45,886.80 is: 63,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,757.78 : 96,281.02 = 45,886.80 : x
  2. Step 2: Convert to fraction form
    69,757.78/96,281.02 = 45,886.80/x
  3. Step 3: Cross multiply
    69,757.78x = 96,281.02 × 45,886.80
  4. Step 4: Simplify right side
    69,757.78x = 4,418,027,908.54
  5. Step 5: Solve for x
    x = 4,418,027,908.54/69,757.78
  6. Step 6: Final answer
    x = 63,333.84

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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.