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Finding the Fourth Proportional to 8,671.01, 13,008.59 and 2,827.63

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Solution

The fourth proportional to 8,671.01, 13,008.59 and 2,827.63 is: 4,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.01 : 13,008.59 = 2,827.63 : x
  2. Step 2: Convert to fraction form
    8,671.01/13,008.59 = 2,827.63/x
  3. Step 3: Cross multiply
    8,671.01x = 13,008.59 × 2,827.63
  4. Step 4: Simplify right side
    8,671.01x = 36,783,400.16
  5. Step 5: Solve for x
    x = 36,783,400.16/8,671.01
  6. Step 6: Final answer
    x = 4,242.11

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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.