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Finding the Fourth Proportional to 1,424.65, 1,966.06 and 795.17

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Solution

The fourth proportional to 1,424.65, 1,966.06 and 795.17 is: 1,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.65 : 1,966.06 = 795.17 : x
  2. Step 2: Convert to fraction form
    1,424.65/1,966.06 = 795.17/x
  3. Step 3: Cross multiply
    1,424.65x = 1,966.06 × 795.17
  4. Step 4: Simplify right side
    1,424.65x = 1,563,351.29
  5. Step 5: Solve for x
    x = 1,563,351.29/1,424.65
  6. Step 6: Final answer
    x = 1,097.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.