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Finding the Fourth Proportional to 2,329.47, 3,492.48 and 768.96

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Solution

The fourth proportional to 2,329.47, 3,492.48 and 768.96 is: 1,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.47 : 3,492.48 = 768.96 : x
  2. Step 2: Convert to fraction form
    2,329.47/3,492.48 = 768.96/x
  3. Step 3: Cross multiply
    2,329.47x = 3,492.48 × 768.96
  4. Step 4: Simplify right side
    2,329.47x = 2,685,577.42
  5. Step 5: Solve for x
    x = 2,685,577.42/2,329.47
  6. Step 6: Final answer
    x = 1,152.87

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1.5x scale

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.