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Finding the Fourth Proportional to 69,460.80, 104,191.20 and 22,718.40

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Solution

The fourth proportional to 69,460.80, 104,191.20 and 22,718.40 is: 34,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,460.80 : 104,191.20 = 22,718.40 : x
  2. Step 2: Convert to fraction form
    69,460.80/104,191.20 = 22,718.40/x
  3. Step 3: Cross multiply
    69,460.80x = 104,191.20 × 22,718.40
  4. Step 4: Simplify right side
    69,460.80x = 2,367,057,358.08
  5. Step 5: Solve for x
    x = 2,367,057,358.08/69,460.80
  6. Step 6: Final answer
    x = 34,077.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.