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Finding the Fourth Proportional to 3,366.66, 4,646.10 and 1,874.72

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Solution

The fourth proportional to 3,366.66, 4,646.10 and 1,874.72 is: 2,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.66 : 4,646.10 = 1,874.72 : x
  2. Step 2: Convert to fraction form
    3,366.66/4,646.10 = 1,874.72/x
  3. Step 3: Cross multiply
    3,366.66x = 4,646.10 × 1,874.72
  4. Step 4: Simplify right side
    3,366.66x = 8,710,136.59
  5. Step 5: Solve for x
    x = 8,710,136.59/3,366.66
  6. Step 6: Final answer
    x = 2,587.17

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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.