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Finding the Fourth Proportional to 70,591.24, 105,819.18 and 26,206.12

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Solution

The fourth proportional to 70,591.24, 105,819.18 and 26,206.12 is: 39,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,591.24 : 105,819.18 = 26,206.12 : x
  2. Step 2: Convert to fraction form
    70,591.24/105,819.18 = 26,206.12/x
  3. Step 3: Cross multiply
    70,591.24x = 105,819.18 × 26,206.12
  4. Step 4: Simplify right side
    70,591.24x = 2,773,110,129.38
  5. Step 5: Solve for x
    x = 2,773,110,129.38/70,591.24
  6. Step 6: Final answer
    x = 39,284.05

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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.