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Finding the Fourth Proportional to 12,796.57, 17,652.51 and 8,810.76

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Solution

The fourth proportional to 12,796.57, 17,652.51 and 8,810.76 is: 12,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.57 : 17,652.51 = 8,810.76 : x
  2. Step 2: Convert to fraction form
    12,796.57/17,652.51 = 8,810.76/x
  3. Step 3: Cross multiply
    12,796.57x = 17,652.51 × 8,810.76
  4. Step 4: Simplify right side
    12,796.57x = 155,532,006.90
  5. Step 5: Solve for x
    x = 155,532,006.90/12,796.57
  6. Step 6: Final answer
    x = 12,154.20

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Double scale
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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.