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Finding the Fourth Proportional to 69,833.80, 96,371.54 and 38,003.56

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Solution

The fourth proportional to 69,833.80, 96,371.54 and 38,003.56 is: 52,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,833.80 : 96,371.54 = 38,003.56 : x
  2. Step 2: Convert to fraction form
    69,833.80/96,371.54 = 38,003.56/x
  3. Step 3: Cross multiply
    69,833.80x = 96,371.54 × 38,003.56
  4. Step 4: Simplify right side
    69,833.80x = 3,662,461,602.68
  5. Step 5: Solve for x
    x = 3,662,461,602.68/69,833.80
  6. Step 6: Final answer
    x = 52,445.40

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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.