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Finding the Fourth Proportional to 10,329.65, 15,492.67 and 2,932.37

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Solution

The fourth proportional to 10,329.65, 15,492.67 and 2,932.37 is: 4,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.65 : 15,492.67 = 2,932.37 : x
  2. Step 2: Convert to fraction form
    10,329.65/15,492.67 = 2,932.37/x
  3. Step 3: Cross multiply
    10,329.65x = 15,492.67 × 2,932.37
  4. Step 4: Simplify right side
    10,329.65x = 45,430,314.29
  5. Step 5: Solve for x
    x = 45,430,314.29/10,329.65
  6. Step 6: Final answer
    x = 4,398.05

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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.