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Finding the Fourth Proportional to 70,124.68, 96,771.42 and 38,293.48

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Solution

The fourth proportional to 70,124.68, 96,771.42 and 38,293.48 is: 52,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124.68 : 96,771.42 = 38,293.48 : x
  2. Step 2: Convert to fraction form
    70,124.68/96,771.42 = 38,293.48/x
  3. Step 3: Cross multiply
    70,124.68x = 96,771.42 × 38,293.48
  4. Step 4: Simplify right side
    70,124.68x = 3,705,714,436.34
  5. Step 5: Solve for x
    x = 3,705,714,436.34/70,124.68
  6. Step 6: Final answer
    x = 52,844.65

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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.