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Finding the Fourth Proportional to 14,919.10, 22,351.65 and 7,110.70

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Solution

The fourth proportional to 14,919.10, 22,351.65 and 7,110.70 is: 10,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.10 : 22,351.65 = 7,110.70 : x
  2. Step 2: Convert to fraction form
    14,919.10/22,351.65 = 7,110.70/x
  3. Step 3: Cross multiply
    14,919.10x = 22,351.65 × 7,110.70
  4. Step 4: Simplify right side
    14,919.10x = 158,935,877.66
  5. Step 5: Solve for x
    x = 158,935,877.66/14,919.10
  6. Step 6: Final answer
    x = 10,653.18

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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.