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Finding the Fourth Proportional to 9,079, 12,527.54 and 5,301.56

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Solution

The fourth proportional to 9,079, 12,527.54 and 5,301.56 is: 7,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079 : 12,527.54 = 5,301.56 : x
  2. Step 2: Convert to fraction form
    9,079/12,527.54 = 5,301.56/x
  3. Step 3: Cross multiply
    9,079x = 12,527.54 × 5,301.56
  4. Step 4: Simplify right side
    9,079x = 66,415,504.96
  5. Step 5: Solve for x
    x = 66,415,504.96/9,079
  6. Step 6: Final answer
    x = 7,315.29

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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.