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Finding the Fourth Proportional to 5,810.13, 8,707.91 and 2,883.20

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Solution

The fourth proportional to 5,810.13, 8,707.91 and 2,883.20 is: 4,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.13 : 8,707.91 = 2,883.20 : x
  2. Step 2: Convert to fraction form
    5,810.13/8,707.91 = 2,883.20/x
  3. Step 3: Cross multiply
    5,810.13x = 8,707.91 × 2,883.20
  4. Step 4: Simplify right side
    5,810.13x = 25,106,588.16
  5. Step 5: Solve for x
    x = 25,106,588.16/5,810.13
  6. Step 6: Final answer
    x = 4,321.17

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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.