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Finding the Fourth Proportional to 9,959.64, 13,744.23 and 5,483.47

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Solution

The fourth proportional to 9,959.64, 13,744.23 and 5,483.47 is: 7,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.64 : 13,744.23 = 5,483.47 : x
  2. Step 2: Convert to fraction form
    9,959.64/13,744.23 = 5,483.47/x
  3. Step 3: Cross multiply
    9,959.64x = 13,744.23 × 5,483.47
  4. Step 4: Simplify right side
    9,959.64x = 75,366,072.88
  5. Step 5: Solve for x
    x = 75,366,072.88/9,959.64
  6. Step 6: Final answer
    x = 7,567.15

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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.