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Finding the Fourth Proportional to 5,802.13, 8,704.63 and 1,698.13

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Solution

The fourth proportional to 5,802.13, 8,704.63 and 1,698.13 is: 2,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,802.13 : 8,704.63 = 1,698.13 : x
  2. Step 2: Convert to fraction form
    5,802.13/8,704.63 = 1,698.13/x
  3. Step 3: Cross multiply
    5,802.13x = 8,704.63 × 1,698.13
  4. Step 4: Simplify right side
    5,802.13x = 14,781,549.82
  5. Step 5: Solve for x
    x = 14,781,549.82/5,802.13
  6. Step 6: Final answer
    x = 2,547.61

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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.