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Finding the Fourth Proportional to 12,348.96, 17,041.68 and 7,044.09

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Solution

The fourth proportional to 12,348.96, 17,041.68 and 7,044.09 is: 9,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.96 : 17,041.68 = 7,044.09 : x
  2. Step 2: Convert to fraction form
    12,348.96/17,041.68 = 7,044.09/x
  3. Step 3: Cross multiply
    12,348.96x = 17,041.68 × 7,044.09
  4. Step 4: Simplify right side
    12,348.96x = 120,043,127.67
  5. Step 5: Solve for x
    x = 120,043,127.67/12,348.96
  6. Step 6: Final answer
    x = 9,720.91

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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.