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Finding the Fourth Proportional to 67,876.96, 101,774.52 and 30,430.26

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Solution

The fourth proportional to 67,876.96, 101,774.52 and 30,430.26 is: 45,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,876.96 : 101,774.52 = 30,430.26 : x
  2. Step 2: Convert to fraction form
    67,876.96/101,774.52 = 30,430.26/x
  3. Step 3: Cross multiply
    67,876.96x = 101,774.52 × 30,430.26
  4. Step 4: Simplify right side
    67,876.96x = 3,097,025,104.98
  5. Step 5: Solve for x
    x = 3,097,025,104.98/67,876.96
  6. Step 6: Final answer
    x = 45,627.04

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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.