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Finding the Fourth Proportional to 12,959.93, 17,884.77 and 7,294.79

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Solution

The fourth proportional to 12,959.93, 17,884.77 and 7,294.79 is: 10,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.93 : 17,884.77 = 7,294.79 : x
  2. Step 2: Convert to fraction form
    12,959.93/17,884.77 = 7,294.79/x
  3. Step 3: Cross multiply
    12,959.93x = 17,884.77 × 7,294.79
  4. Step 4: Simplify right side
    12,959.93x = 130,465,551.92
  5. Step 5: Solve for x
    x = 130,465,551.92/12,959.93
  6. Step 6: Final answer
    x = 10,066.84

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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.