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Finding the Fourth Proportional to 7,079.72, 9,771 and 5,096.84

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Solution

The fourth proportional to 7,079.72, 9,771 and 5,096.84 is: 7,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.72 : 9,771 = 5,096.84 : x
  2. Step 2: Convert to fraction form
    7,079.72/9,771 = 5,096.84/x
  3. Step 3: Cross multiply
    7,079.72x = 9,771 × 5,096.84
  4. Step 4: Simplify right side
    7,079.72x = 49,801,223.64
  5. Step 5: Solve for x
    x = 49,801,223.64/7,079.72
  6. Step 6: Final answer
    x = 7,034.35

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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.