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Finding the Fourth Proportional to 12,959.58, 17,883.23 and 7,653.38

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Solution

The fourth proportional to 12,959.58, 17,883.23 and 7,653.38 is: 10,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.58 : 17,883.23 = 7,653.38 : x
  2. Step 2: Convert to fraction form
    12,959.58/17,883.23 = 7,653.38/x
  3. Step 3: Cross multiply
    12,959.58x = 17,883.23 × 7,653.38
  4. Step 4: Simplify right side
    12,959.58x = 136,867,161.26
  5. Step 5: Solve for x
    x = 136,867,161.26/12,959.58
  6. Step 6: Final answer
    x = 10,561.08

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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.