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Finding the Fourth Proportional to 9,344.56, 12,894.18 and 5,365.04

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Solution

The fourth proportional to 9,344.56, 12,894.18 and 5,365.04 is: 7,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.56 : 12,894.18 = 5,365.04 : x
  2. Step 2: Convert to fraction form
    9,344.56/12,894.18 = 5,365.04/x
  3. Step 3: Cross multiply
    9,344.56x = 12,894.18 × 5,365.04
  4. Step 4: Simplify right side
    9,344.56x = 69,177,791.47
  5. Step 5: Solve for x
    x = 69,177,791.47/9,344.56
  6. Step 6: Final answer
    x = 7,403.00

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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.