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Finding the Fourth Proportional to 9,312.71, 13,969.25 and 3,468.14

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Solution

The fourth proportional to 9,312.71, 13,969.25 and 3,468.14 is: 5,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.71 : 13,969.25 = 3,468.14 : x
  2. Step 2: Convert to fraction form
    9,312.71/13,969.25 = 3,468.14/x
  3. Step 3: Cross multiply
    9,312.71x = 13,969.25 × 3,468.14
  4. Step 4: Simplify right side
    9,312.71x = 48,447,314.70
  5. Step 5: Solve for x
    x = 48,447,314.70/9,312.71
  6. Step 6: Final answer
    x = 5,202.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.