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Finding the Fourth Proportional to 12,537.18, 17,301.87 and 6,948.18

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Solution

The fourth proportional to 12,537.18, 17,301.87 and 6,948.18 is: 9,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.18 : 17,301.87 = 6,948.18 : x
  2. Step 2: Convert to fraction form
    12,537.18/17,301.87 = 6,948.18/x
  3. Step 3: Cross multiply
    12,537.18x = 17,301.87 × 6,948.18
  4. Step 4: Simplify right side
    12,537.18x = 120,216,507.10
  5. Step 5: Solve for x
    x = 120,216,507.10/12,537.18
  6. Step 6: Final answer
    x = 9,588.80

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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.