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Finding the Fourth Proportional to 9,444, 13,032.72 and 5,252.16

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Solution

The fourth proportional to 9,444, 13,032.72 and 5,252.16 is: 7,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,444 : 13,032.72 = 5,252.16 : x
  2. Step 2: Convert to fraction form
    9,444/13,032.72 = 5,252.16/x
  3. Step 3: Cross multiply
    9,444x = 13,032.72 × 5,252.16
  4. Step 4: Simplify right side
    9,444x = 68,449,930.68
  5. Step 5: Solve for x
    x = 68,449,930.68/9,444
  6. Step 6: Final answer
    x = 7,247.98

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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.