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Finding the Fourth Proportional to 12,557.48, 17,330.28 and 6,968.48

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Solution

The fourth proportional to 12,557.48, 17,330.28 and 6,968.48 is: 9,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.48 : 17,330.28 = 6,968.48 : x
  2. Step 2: Convert to fraction form
    12,557.48/17,330.28 = 6,968.48/x
  3. Step 3: Cross multiply
    12,557.48x = 17,330.28 × 6,968.48
  4. Step 4: Simplify right side
    12,557.48x = 120,765,709.57
  5. Step 5: Solve for x
    x = 120,765,709.57/12,557.48
  6. Step 6: Final answer
    x = 9,617.03

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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.