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Finding the Fourth Proportional to 4,636.16, 6,392.16 and 3,061.76

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Solution

The fourth proportional to 4,636.16, 6,392.16 and 3,061.76 is: 4,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.16 : 6,392.16 = 3,061.76 : x
  2. Step 2: Convert to fraction form
    4,636.16/6,392.16 = 3,061.76/x
  3. Step 3: Cross multiply
    4,636.16x = 6,392.16 × 3,061.76
  4. Step 4: Simplify right side
    4,636.16x = 19,571,259.80
  5. Step 5: Solve for x
    x = 19,571,259.80/4,636.16
  6. Step 6: Final answer
    x = 4,221.44

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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.