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Finding the Fourth Proportional to 9,235.93, 12,742.41 and 5,256.04

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Solution

The fourth proportional to 9,235.93, 12,742.41 and 5,256.04 is: 7,251.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.93 : 12,742.41 = 5,256.04 : x
  2. Step 2: Convert to fraction form
    9,235.93/12,742.41 = 5,256.04/x
  3. Step 3: Cross multiply
    9,235.93x = 12,742.41 × 5,256.04
  4. Step 4: Simplify right side
    9,235.93x = 66,974,616.66
  5. Step 5: Solve for x
    x = 66,974,616.66/9,235.93
  6. Step 6: Final answer
    x = 7,251.53

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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.