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Finding the Fourth Proportional to 3,552.65, 4,909.17 and 3,381.94

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Solution

The fourth proportional to 3,552.65, 4,909.17 and 3,381.94 is: 4,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.65 : 4,909.17 = 3,381.94 : x
  2. Step 2: Convert to fraction form
    3,552.65/4,909.17 = 3,381.94/x
  3. Step 3: Cross multiply
    3,552.65x = 4,909.17 × 3,381.94
  4. Step 4: Simplify right side
    3,552.65x = 16,602,518.39
  5. Step 5: Solve for x
    x = 16,602,518.39/3,552.65
  6. Step 6: Final answer
    x = 4,673.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.