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Finding the Fourth Proportional to 9,232.78, 12,741.06 and 5,253.81

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Solution

The fourth proportional to 9,232.78, 12,741.06 and 5,253.81 is: 7,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,232.78 : 12,741.06 = 5,253.81 : x
  2. Step 2: Convert to fraction form
    9,232.78/12,741.06 = 5,253.81/x
  3. Step 3: Cross multiply
    9,232.78x = 12,741.06 × 5,253.81
  4. Step 4: Simplify right side
    9,232.78x = 66,939,108.44
  5. Step 5: Solve for x
    x = 66,939,108.44/9,232.78
  6. Step 6: Final answer
    x = 7,250.16

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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.