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Finding the Fourth Proportional to 1,710.80, 2,360.91 and 924.85

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Solution

The fourth proportional to 1,710.80, 2,360.91 and 924.85 is: 1,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.80 : 2,360.91 = 924.85 : x
  2. Step 2: Convert to fraction form
    1,710.80/2,360.91 = 924.85/x
  3. Step 3: Cross multiply
    1,710.80x = 2,360.91 × 924.85
  4. Step 4: Simplify right side
    1,710.80x = 2,183,477.09
  5. Step 5: Solve for x
    x = 2,183,477.09/1,710.80
  6. Step 6: Final answer
    x = 1,276.29

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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.