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Finding the Fourth Proportional to 14,909.22, 22,368.72 and 7,117.02

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Solution

The fourth proportional to 14,909.22, 22,368.72 and 7,117.02 is: 10,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.22 : 22,368.72 = 7,117.02 : x
  2. Step 2: Convert to fraction form
    14,909.22/22,368.72 = 7,117.02/x
  3. Step 3: Cross multiply
    14,909.22x = 22,368.72 × 7,117.02
  4. Step 4: Simplify right side
    14,909.22x = 159,198,627.61
  5. Step 5: Solve for x
    x = 159,198,627.61/14,909.22
  6. Step 6: Final answer
    x = 10,677.86

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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.