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Finding the Fourth Proportional to 12,898.74, 17,799.62 and 7,593.22

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Solution

The fourth proportional to 12,898.74, 17,799.62 and 7,593.22 is: 10,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.74 : 17,799.62 = 7,593.22 : x
  2. Step 2: Convert to fraction form
    12,898.74/17,799.62 = 7,593.22/x
  3. Step 3: Cross multiply
    12,898.74x = 17,799.62 × 7,593.22
  4. Step 4: Simplify right side
    12,898.74x = 135,156,430.58
  5. Step 5: Solve for x
    x = 135,156,430.58/12,898.74
  6. Step 6: Final answer
    x = 10,478.27

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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.