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Finding the Fourth Proportional to 7,959.69, 11,881.11 and 7,373.25

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Solution

The fourth proportional to 7,959.69, 11,881.11 and 7,373.25 is: 11,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.69 : 11,881.11 = 7,373.25 : x
  2. Step 2: Convert to fraction form
    7,959.69/11,881.11 = 7,373.25/x
  3. Step 3: Cross multiply
    7,959.69x = 11,881.11 × 7,373.25
  4. Step 4: Simplify right side
    7,959.69x = 87,602,394.31
  5. Step 5: Solve for x
    x = 87,602,394.31/7,959.69
  6. Step 6: Final answer
    x = 11,005.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.