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Finding the Fourth Proportional to 8,565.86, 11,826.74 and 5,548.28

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Solution

The fourth proportional to 8,565.86, 11,826.74 and 5,548.28 is: 7,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.86 : 11,826.74 = 5,548.28 : x
  2. Step 2: Convert to fraction form
    8,565.86/11,826.74 = 5,548.28/x
  3. Step 3: Cross multiply
    8,565.86x = 11,826.74 × 5,548.28
  4. Step 4: Simplify right side
    8,565.86x = 65,618,019.74
  5. Step 5: Solve for x
    x = 65,618,019.74/8,565.86
  6. Step 6: Final answer
    x = 7,660.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.