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Finding the Fourth Proportional to 8,511.54, 11,746.02 and 4,734.78

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Solution

The fourth proportional to 8,511.54, 11,746.02 and 4,734.78 is: 6,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.54 : 11,746.02 = 4,734.78 : x
  2. Step 2: Convert to fraction form
    8,511.54/11,746.02 = 4,734.78/x
  3. Step 3: Cross multiply
    8,511.54x = 11,746.02 × 4,734.78
  4. Step 4: Simplify right side
    8,511.54x = 55,614,820.58
  5. Step 5: Solve for x
    x = 55,614,820.58/8,511.54
  6. Step 6: Final answer
    x = 6,534.05

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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.