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Finding the Fourth Proportional to 69,870.60, 104,805.90 and 23,127.12

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Solution

The fourth proportional to 69,870.60, 104,805.90 and 23,127.12 is: 34,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,870.60 : 104,805.90 = 23,127.12 : x
  2. Step 2: Convert to fraction form
    69,870.60/104,805.90 = 23,127.12/x
  3. Step 3: Cross multiply
    69,870.60x = 104,805.90 × 23,127.12
  4. Step 4: Simplify right side
    69,870.60x = 2,423,858,626.01
  5. Step 5: Solve for x
    x = 2,423,858,626.01/69,870.60
  6. Step 6: Final answer
    x = 34,690.68

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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.