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Finding the Fourth Proportional to 5,458.60, 8,228.11 and 5,327.40

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Solution

The fourth proportional to 5,458.60, 8,228.11 and 5,327.40 is: 8,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.60 : 8,228.11 = 5,327.40 : x
  2. Step 2: Convert to fraction form
    5,458.60/8,228.11 = 5,327.40/x
  3. Step 3: Cross multiply
    5,458.60x = 8,228.11 × 5,327.40
  4. Step 4: Simplify right side
    5,458.60x = 43,834,433.21
  5. Step 5: Solve for x
    x = 43,834,433.21/5,458.60
  6. Step 6: Final answer
    x = 8,030.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.