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Finding the Fourth Proportional to 10,965.69, 15,132.69 and 6,250.01

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Solution

The fourth proportional to 10,965.69, 15,132.69 and 6,250.01 is: 8,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.69 : 15,132.69 = 6,250.01 : x
  2. Step 2: Convert to fraction form
    10,965.69/15,132.69 = 6,250.01/x
  3. Step 3: Cross multiply
    10,965.69x = 15,132.69 × 6,250.01
  4. Step 4: Simplify right side
    10,965.69x = 94,579,388.16
  5. Step 5: Solve for x
    x = 94,579,388.16/10,965.69
  6. Step 6: Final answer
    x = 8,625.03

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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.