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Finding the Fourth Proportional to 5,893.86, 8,829.51 and 5,643.72

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Solution

The fourth proportional to 5,893.86, 8,829.51 and 5,643.72 is: 8,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,893.86 : 8,829.51 = 5,643.72 : x
  2. Step 2: Convert to fraction form
    5,893.86/8,829.51 = 5,643.72/x
  3. Step 3: Cross multiply
    5,893.86x = 8,829.51 × 5,643.72
  4. Step 4: Simplify right side
    5,893.86x = 49,831,282.18
  5. Step 5: Solve for x
    x = 49,831,282.18/5,893.86
  6. Step 6: Final answer
    x = 8,454.78

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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.