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Finding the Fourth Proportional to 8,501.60, 12,751.16 and 2,261.99

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Solution

The fourth proportional to 8,501.60, 12,751.16 and 2,261.99 is: 3,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.60 : 12,751.16 = 2,261.99 : x
  2. Step 2: Convert to fraction form
    8,501.60/12,751.16 = 2,261.99/x
  3. Step 3: Cross multiply
    8,501.60x = 12,751.16 × 2,261.99
  4. Step 4: Simplify right side
    8,501.60x = 28,842,921.34
  5. Step 5: Solve for x
    x = 28,842,921.34/8,501.60
  6. Step 6: Final answer
    x = 3,392.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.