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Finding the Fourth Proportional to 14,419.17, 19,899.85 and 8,752.62

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Solution

The fourth proportional to 14,419.17, 19,899.85 and 8,752.62 is: 12,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.17 : 19,899.85 = 8,752.62 : x
  2. Step 2: Convert to fraction form
    14,419.17/19,899.85 = 8,752.62/x
  3. Step 3: Cross multiply
    14,419.17x = 19,899.85 × 8,752.62
  4. Step 4: Simplify right side
    14,419.17x = 174,175,725.61
  5. Step 5: Solve for x
    x = 174,175,725.61/14,419.17
  6. Step 6: Final answer
    x = 12,079.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.