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Finding the Fourth Proportional to 69,019.74, 103,459.86 and 26,873.55

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Solution

The fourth proportional to 69,019.74, 103,459.86 and 26,873.55 is: 40,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,019.74 : 103,459.86 = 26,873.55 : x
  2. Step 2: Convert to fraction form
    69,019.74/103,459.86 = 26,873.55/x
  3. Step 3: Cross multiply
    69,019.74x = 103,459.86 × 26,873.55
  4. Step 4: Simplify right side
    69,019.74x = 2,780,333,720.70
  5. Step 5: Solve for x
    x = 2,780,333,720.70/69,019.74
  6. Step 6: Final answer
    x = 40,283.17

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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.