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Finding the Fourth Proportional to 70,720.84, 106,099.08 and 26,349.04

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Solution

The fourth proportional to 70,720.84, 106,099.08 and 26,349.04 is: 39,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,720.84 : 106,099.08 = 26,349.04 : x
  2. Step 2: Convert to fraction form
    70,720.84/106,099.08 = 26,349.04/x
  3. Step 3: Cross multiply
    70,720.84x = 106,099.08 × 26,349.04
  4. Step 4: Simplify right side
    70,720.84x = 2,795,608,902.88
  5. Step 5: Solve for x
    x = 2,795,608,902.88/70,720.84
  6. Step 6: Final answer
    x = 39,530.20

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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.