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Finding the Fourth Proportional to 12,656.73, 17,466.08 and 7,351.59

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Solution

The fourth proportional to 12,656.73, 17,466.08 and 7,351.59 is: 10,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.73 : 17,466.08 = 7,351.59 : x
  2. Step 2: Convert to fraction form
    12,656.73/17,466.08 = 7,351.59/x
  3. Step 3: Cross multiply
    12,656.73x = 17,466.08 × 7,351.59
  4. Step 4: Simplify right side
    12,656.73x = 128,403,422.31
  5. Step 5: Solve for x
    x = 128,403,422.31/12,656.73
  6. Step 6: Final answer
    x = 10,145.07

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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.