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Finding the Fourth Proportional to 70,191.58, 96,869.06 and 39,572.23

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Solution

The fourth proportional to 70,191.58, 96,869.06 and 39,572.23 is: 54,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,191.58 : 96,869.06 = 39,572.23 : x
  2. Step 2: Convert to fraction form
    70,191.58/96,869.06 = 39,572.23/x
  3. Step 3: Cross multiply
    70,191.58x = 96,869.06 × 39,572.23
  4. Step 4: Simplify right side
    70,191.58x = 3,833,324,722.20
  5. Step 5: Solve for x
    x = 3,833,324,722.20/70,191.58
  6. Step 6: Final answer
    x = 54,612.32

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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.