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Finding the Fourth Proportional to 14,919.08, 22,330.71 and 9,909.90

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Solution

The fourth proportional to 14,919.08, 22,330.71 and 9,909.90 is: 14,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.08 : 22,330.71 = 9,909.90 : x
  2. Step 2: Convert to fraction form
    14,919.08/22,330.71 = 9,909.90/x
  3. Step 3: Cross multiply
    14,919.08x = 22,330.71 × 9,909.90
  4. Step 4: Simplify right side
    14,919.08x = 221,295,103.03
  5. Step 5: Solve for x
    x = 221,295,103.03/14,919.08
  6. Step 6: Final answer
    x = 14,833.03

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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.