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Finding the Fourth Proportional to 5,365.47, 8,046.22 and 1,854.58

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Solution

The fourth proportional to 5,365.47, 8,046.22 and 1,854.58 is: 2,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.47 : 8,046.22 = 1,854.58 : x
  2. Step 2: Convert to fraction form
    5,365.47/8,046.22 = 1,854.58/x
  3. Step 3: Cross multiply
    5,365.47x = 8,046.22 × 1,854.58
  4. Step 4: Simplify right side
    5,365.47x = 14,922,358.69
  5. Step 5: Solve for x
    x = 14,922,358.69/5,365.47
  6. Step 6: Final answer
    x = 2,781.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.