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Finding the Fourth Proportional to 2,328.63, 3,492.03 and 1,029.20

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Solution

The fourth proportional to 2,328.63, 3,492.03 and 1,029.20 is: 1,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.63 : 3,492.03 = 1,029.20 : x
  2. Step 2: Convert to fraction form
    2,328.63/3,492.03 = 1,029.20/x
  3. Step 3: Cross multiply
    2,328.63x = 3,492.03 × 1,029.20
  4. Step 4: Simplify right side
    2,328.63x = 3,593,979.82
  5. Step 5: Solve for x
    x = 3,593,979.82/2,328.63
  6. Step 6: Final answer
    x = 1,543.39

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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.