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Finding the Fourth Proportional to 5,866.25, 8,799.37 and 3,557.21

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Solution

The fourth proportional to 5,866.25, 8,799.37 and 3,557.21 is: 5,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.25 : 8,799.37 = 3,557.21 : x
  2. Step 2: Convert to fraction form
    5,866.25/8,799.37 = 3,557.21/x
  3. Step 3: Cross multiply
    5,866.25x = 8,799.37 × 3,557.21
  4. Step 4: Simplify right side
    5,866.25x = 31,301,154.07
  5. Step 5: Solve for x
    x = 31,301,154.07/5,866.25
  6. Step 6: Final answer
    x = 5,335.81

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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.