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Finding the Fourth Proportional to 2,335.41, 3,502.40 and 692.19

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Solution

The fourth proportional to 2,335.41, 3,502.40 and 692.19 is: 1,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.41 : 3,502.40 = 692.19 : x
  2. Step 2: Convert to fraction form
    2,335.41/3,502.40 = 692.19/x
  3. Step 3: Cross multiply
    2,335.41x = 3,502.40 × 692.19
  4. Step 4: Simplify right side
    2,335.41x = 2,424,322.80
  5. Step 5: Solve for x
    x = 2,424,322.80/2,335.41
  6. Step 6: Final answer
    x = 1,038.07

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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.