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Finding the Fourth Proportional to 56,551.65, 84,821.40 and 14,998.65

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Solution

The fourth proportional to 56,551.65, 84,821.40 and 14,998.65 is: 22,496.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,551.65 : 84,821.40 = 14,998.65 : x
  2. Step 2: Convert to fraction form
    56,551.65/84,821.40 = 14,998.65/x
  3. Step 3: Cross multiply
    56,551.65x = 84,821.40 × 14,998.65
  4. Step 4: Simplify right side
    56,551.65x = 1,272,206,491.11
  5. Step 5: Solve for x
    x = 1,272,206,491.11/56,551.65
  6. Step 6: Final answer
    x = 22,496.36

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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.