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Finding the Fourth Proportional to 70,242.34, 96,932.62 and 38,409.19

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Solution

The fourth proportional to 70,242.34, 96,932.62 and 38,409.19 is: 53,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,242.34 : 96,932.62 = 38,409.19 : x
  2. Step 2: Convert to fraction form
    70,242.34/96,932.62 = 38,409.19/x
  3. Step 3: Cross multiply
    70,242.34x = 96,932.62 × 38,409.19
  4. Step 4: Simplify right side
    70,242.34x = 3,723,103,332.48
  5. Step 5: Solve for x
    x = 3,723,103,332.48/70,242.34
  6. Step 6: Final answer
    x = 53,003.69

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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.