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Finding the Fourth Proportional to 8,656.00, 11,945.28 and 4,677.11

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Solution

The fourth proportional to 8,656.00, 11,945.28 and 4,677.11 is: 6,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.00 : 11,945.28 = 4,677.11 : x
  2. Step 2: Convert to fraction form
    8,656.00/11,945.28 = 4,677.11/x
  3. Step 3: Cross multiply
    8,656.00x = 11,945.28 × 4,677.11
  4. Step 4: Simplify right side
    8,656.00x = 55,869,400.86
  5. Step 5: Solve for x
    x = 55,869,400.86/8,656.00
  6. Step 6: Final answer
    x = 6,454.41

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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.