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Finding the Fourth Proportional to 5,807.33, 8,711.16 and 1,424.79

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Solution

The fourth proportional to 5,807.33, 8,711.16 and 1,424.79 is: 2,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.33 : 8,711.16 = 1,424.79 : x
  2. Step 2: Convert to fraction form
    5,807.33/8,711.16 = 1,424.79/x
  3. Step 3: Cross multiply
    5,807.33x = 8,711.16 × 1,424.79
  4. Step 4: Simplify right side
    5,807.33x = 12,411,573.66
  5. Step 5: Solve for x
    x = 12,411,573.66/5,807.33
  6. Step 6: Final answer
    x = 2,137.23

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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.