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Finding the Fourth Proportional to 6,577.71, 9,870.21 and 2,681.82

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Solution

The fourth proportional to 6,577.71, 9,870.21 and 2,681.82 is: 4,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,577.71 : 9,870.21 = 2,681.82 : x
  2. Step 2: Convert to fraction form
    6,577.71/9,870.21 = 2,681.82/x
  3. Step 3: Cross multiply
    6,577.71x = 9,870.21 × 2,681.82
  4. Step 4: Simplify right side
    6,577.71x = 26,470,077.23
  5. Step 5: Solve for x
    x = 26,470,077.23/6,577.71
  6. Step 6: Final answer
    x = 4,024.21

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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.