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Finding the Fourth Proportional to 12,952.38, 17,880.07 and 9,967.10

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Solution

The fourth proportional to 12,952.38, 17,880.07 and 9,967.10 is: 13,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952.38 : 17,880.07 = 9,967.10 : x
  2. Step 2: Convert to fraction form
    12,952.38/17,880.07 = 9,967.10/x
  3. Step 3: Cross multiply
    12,952.38x = 17,880.07 × 9,967.10
  4. Step 4: Simplify right side
    12,952.38x = 178,212,445.70
  5. Step 5: Solve for x
    x = 178,212,445.70/12,952.38
  6. Step 6: Final answer
    x = 13,759.05

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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.