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Finding the Fourth Proportional to 4,307.21, 5,943.21 and 2,418.76

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Solution

The fourth proportional to 4,307.21, 5,943.21 and 2,418.76 is: 3,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.21 : 5,943.21 = 2,418.76 : x
  2. Step 2: Convert to fraction form
    4,307.21/5,943.21 = 2,418.76/x
  3. Step 3: Cross multiply
    4,307.21x = 5,943.21 × 2,418.76
  4. Step 4: Simplify right side
    4,307.21x = 14,375,196.98
  5. Step 5: Solve for x
    x = 14,375,196.98/4,307.21
  6. Step 6: Final answer
    x = 3,337.47

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Double scale
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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.