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Finding the Fourth Proportional to 5,573.59, 7,691.51 and 3,055.66

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Solution

The fourth proportional to 5,573.59, 7,691.51 and 3,055.66 is: 4,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.59 : 7,691.51 = 3,055.66 : x
  2. Step 2: Convert to fraction form
    5,573.59/7,691.51 = 3,055.66/x
  3. Step 3: Cross multiply
    5,573.59x = 7,691.51 × 3,055.66
  4. Step 4: Simplify right side
    5,573.59x = 23,502,585.71
  5. Step 5: Solve for x
    x = 23,502,585.71/5,573.59
  6. Step 6: Final answer
    x = 4,216.78

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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.