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Finding the Fourth Proportional to 8,725.22, 12,040.96 and 4,746.40

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Solution

The fourth proportional to 8,725.22, 12,040.96 and 4,746.40 is: 6,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.22 : 12,040.96 = 4,746.40 : x
  2. Step 2: Convert to fraction form
    8,725.22/12,040.96 = 4,746.40/x
  3. Step 3: Cross multiply
    8,725.22x = 12,040.96 × 4,746.40
  4. Step 4: Simplify right side
    8,725.22x = 57,151,170.58
  5. Step 5: Solve for x
    x = 57,151,170.58/8,725.22
  6. Step 6: Final answer
    x = 6,550.11

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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.