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Finding the Fourth Proportional to 14,909.68, 22,379.10 and 9,077.68

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Solution

The fourth proportional to 14,909.68, 22,379.10 and 9,077.68 is: 13,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.68 : 22,379.10 = 9,077.68 : x
  2. Step 2: Convert to fraction form
    14,909.68/22,379.10 = 9,077.68/x
  3. Step 3: Cross multiply
    14,909.68x = 22,379.10 × 9,077.68
  4. Step 4: Simplify right side
    14,909.68x = 203,150,308.49
  5. Step 5: Solve for x
    x = 203,150,308.49/14,909.68
  6. Step 6: Final answer
    x = 13,625.40

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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.