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Finding the Fourth Proportional to 2,335.92, 3,502.70 and 692.26

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Solution

The fourth proportional to 2,335.92, 3,502.70 and 692.26 is: 1,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.92 : 3,502.70 = 692.26 : x
  2. Step 2: Convert to fraction form
    2,335.92/3,502.70 = 692.26/x
  3. Step 3: Cross multiply
    2,335.92x = 3,502.70 × 692.26
  4. Step 4: Simplify right side
    2,335.92x = 2,424,779.10
  5. Step 5: Solve for x
    x = 2,424,779.10/2,335.92
  6. Step 6: Final answer
    x = 1,038.04

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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.