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Finding the Fourth Proportional to 11,959.36, 17,895.30 and 7,031.32

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Solution

The fourth proportional to 11,959.36, 17,895.30 and 7,031.32 is: 10,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.36 : 17,895.30 = 7,031.32 : x
  2. Step 2: Convert to fraction form
    11,959.36/17,895.30 = 7,031.32/x
  3. Step 3: Cross multiply
    11,959.36x = 17,895.30 × 7,031.32
  4. Step 4: Simplify right side
    11,959.36x = 125,827,580.80
  5. Step 5: Solve for x
    x = 125,827,580.80/11,959.36
  6. Step 6: Final answer
    x = 10,521.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.