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Finding the Fourth Proportional to 10,001.76, 13,802.44 and 5,810

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Solution

The fourth proportional to 10,001.76, 13,802.44 and 5,810 is: 8,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.76 : 13,802.44 = 5,810 : x
  2. Step 2: Convert to fraction form
    10,001.76/13,802.44 = 5,810/x
  3. Step 3: Cross multiply
    10,001.76x = 13,802.44 × 5,810
  4. Step 4: Simplify right side
    10,001.76x = 80,192,176.40
  5. Step 5: Solve for x
    x = 80,192,176.40/10,001.76
  6. Step 6: Final answer
    x = 8,017.81

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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.