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Finding the Fourth Proportional to 3,561.66, 4,916.65 and 2,448.35

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Solution

The fourth proportional to 3,561.66, 4,916.65 and 2,448.35 is: 3,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.66 : 4,916.65 = 2,448.35 : x
  2. Step 2: Convert to fraction form
    3,561.66/4,916.65 = 2,448.35/x
  3. Step 3: Cross multiply
    3,561.66x = 4,916.65 × 2,448.35
  4. Step 4: Simplify right side
    3,561.66x = 12,037,680.03
  5. Step 5: Solve for x
    x = 12,037,680.03/3,561.66
  6. Step 6: Final answer
    x = 3,379.79

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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.