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Finding the Fourth Proportional to 10,659.44, 15,907.02 and 9,363.66

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Solution

The fourth proportional to 10,659.44, 15,907.02 and 9,363.66 is: 13,973.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.44 : 15,907.02 = 9,363.66 : x
  2. Step 2: Convert to fraction form
    10,659.44/15,907.02 = 9,363.66/x
  3. Step 3: Cross multiply
    10,659.44x = 15,907.02 × 9,363.66
  4. Step 4: Simplify right side
    10,659.44x = 148,947,926.89
  5. Step 5: Solve for x
    x = 148,947,926.89/10,659.44
  6. Step 6: Final answer
    x = 13,973.34

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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.