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Finding the Fourth Proportional to 9,754.42, 13,461.02 and 5,278.08

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Solution

The fourth proportional to 9,754.42, 13,461.02 and 5,278.08 is: 7,283.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,754.42 : 13,461.02 = 5,278.08 : x
  2. Step 2: Convert to fraction form
    9,754.42/13,461.02 = 5,278.08/x
  3. Step 3: Cross multiply
    9,754.42x = 13,461.02 × 5,278.08
  4. Step 4: Simplify right side
    9,754.42x = 71,048,340.44
  5. Step 5: Solve for x
    x = 71,048,340.44/9,754.42
  6. Step 6: Final answer
    x = 7,283.71

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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.