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Finding the Fourth Proportional to 1,747.16, 2,619.64 and 924.92

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Solution

The fourth proportional to 1,747.16, 2,619.64 and 924.92 is: 1,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.16 : 2,619.64 = 924.92 : x
  2. Step 2: Convert to fraction form
    1,747.16/2,619.64 = 924.92/x
  3. Step 3: Cross multiply
    1,747.16x = 2,619.64 × 924.92
  4. Step 4: Simplify right side
    1,747.16x = 2,422,957.43
  5. Step 5: Solve for x
    x = 2,422,957.43/1,747.16
  6. Step 6: Final answer
    x = 1,386.80

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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.