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Finding the Fourth Proportional to 8,725.16, 12,040.58 and 4,746.38

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Solution

The fourth proportional to 8,725.16, 12,040.58 and 4,746.38 is: 6,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.16 : 12,040.58 = 4,746.38 : x
  2. Step 2: Convert to fraction form
    8,725.16/12,040.58 = 4,746.38/x
  3. Step 3: Cross multiply
    8,725.16x = 12,040.58 × 4,746.38
  4. Step 4: Simplify right side
    8,725.16x = 57,149,119.76
  5. Step 5: Solve for x
    x = 57,149,119.76/8,725.16
  6. Step 6: Final answer
    x = 6,549.92

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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.