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Finding the Fourth Proportional to 15,308.01, 22,962.02 and 4,920.57

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Solution

The fourth proportional to 15,308.01, 22,962.02 and 4,920.57 is: 7,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.01 : 22,962.02 = 4,920.57 : x
  2. Step 2: Convert to fraction form
    15,308.01/22,962.02 = 4,920.57/x
  3. Step 3: Cross multiply
    15,308.01x = 22,962.02 × 4,920.57
  4. Step 4: Simplify right side
    15,308.01x = 112,986,202.15
  5. Step 5: Solve for x
    x = 112,986,202.15/15,308.01
  6. Step 6: Final answer
    x = 7,380.86

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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.