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Finding the Fourth Proportional to 6,557.86, 9,833.02 and 3,890.48

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Solution

The fourth proportional to 6,557.86, 9,833.02 and 3,890.48 is: 5,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.86 : 9,833.02 = 3,890.48 : x
  2. Step 2: Convert to fraction form
    6,557.86/9,833.02 = 3,890.48/x
  3. Step 3: Cross multiply
    6,557.86x = 9,833.02 × 3,890.48
  4. Step 4: Simplify right side
    6,557.86x = 38,255,175.01
  5. Step 5: Solve for x
    x = 38,255,175.01/6,557.86
  6. Step 6: Final answer
    x = 5,833.48

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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.