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Finding the Fourth Proportional to 69,884.76, 96,439.72 and 38,053.08

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Solution

The fourth proportional to 69,884.76, 96,439.72 and 38,053.08 is: 52,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,884.76 : 96,439.72 = 38,053.08 : x
  2. Step 2: Convert to fraction form
    69,884.76/96,439.72 = 38,053.08/x
  3. Step 3: Cross multiply
    69,884.76x = 96,439.72 × 38,053.08
  4. Step 4: Simplify right side
    69,884.76x = 3,669,828,380.34
  5. Step 5: Solve for x
    x = 3,669,828,380.34/69,884.76
  6. Step 6: Final answer
    x = 52,512.57

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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.