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Finding the Fourth Proportional to 4,946.18, 7,415.77 and 2,479.24

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Solution

The fourth proportional to 4,946.18, 7,415.77 and 2,479.24 is: 3,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.18 : 7,415.77 = 2,479.24 : x
  2. Step 2: Convert to fraction form
    4,946.18/7,415.77 = 2,479.24/x
  3. Step 3: Cross multiply
    4,946.18x = 7,415.77 × 2,479.24
  4. Step 4: Simplify right side
    4,946.18x = 18,385,473.61
  5. Step 5: Solve for x
    x = 18,385,473.61/4,946.18
  6. Step 6: Final answer
    x = 3,717.11

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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.