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Finding the Fourth Proportional to 9,334.49, 12,881.49 and 5,356.22

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Solution

The fourth proportional to 9,334.49, 12,881.49 and 5,356.22 is: 7,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.49 : 12,881.49 = 5,356.22 : x
  2. Step 2: Convert to fraction form
    9,334.49/12,881.49 = 5,356.22/x
  3. Step 3: Cross multiply
    9,334.49x = 12,881.49 × 5,356.22
  4. Step 4: Simplify right side
    9,334.49x = 68,996,097.40
  5. Step 5: Solve for x
    x = 68,996,097.40/9,334.49
  6. Step 6: Final answer
    x = 7,391.53

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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.