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Finding the Fourth Proportional to 7,708.44, 10,659.52 and 7,360.34

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Solution

The fourth proportional to 7,708.44, 10,659.52 and 7,360.34 is: 10,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.44 : 10,659.52 = 7,360.34 : x
  2. Step 2: Convert to fraction form
    7,708.44/10,659.52 = 7,360.34/x
  3. Step 3: Cross multiply
    7,708.44x = 10,659.52 × 7,360.34
  4. Step 4: Simplify right side
    7,708.44x = 78,457,654.64
  5. Step 5: Solve for x
    x = 78,457,654.64/7,708.44
  6. Step 6: Final answer
    x = 10,178.15

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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.