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Finding the Fourth Proportional to 5,659.76, 7,810.48 and 3,301.46

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Solution

The fourth proportional to 5,659.76, 7,810.48 and 3,301.46 is: 4,556.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.76 : 7,810.48 = 3,301.46 : x
  2. Step 2: Convert to fraction form
    5,659.76/7,810.48 = 3,301.46/x
  3. Step 3: Cross multiply
    5,659.76x = 7,810.48 × 3,301.46
  4. Step 4: Simplify right side
    5,659.76x = 25,785,987.30
  5. Step 5: Solve for x
    x = 25,785,987.30/5,659.76
  6. Step 6: Final answer
    x = 4,556.02

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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.