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Finding the Fourth Proportional to 7,934.49, 10,950.30 and 4,398.39

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Solution

The fourth proportional to 7,934.49, 10,950.30 and 4,398.39 is: 6,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.49 : 10,950.30 = 4,398.39 : x
  2. Step 2: Convert to fraction form
    7,934.49/10,950.30 = 4,398.39/x
  3. Step 3: Cross multiply
    7,934.49x = 10,950.30 × 4,398.39
  4. Step 4: Simplify right side
    7,934.49x = 48,163,690.02
  5. Step 5: Solve for x
    x = 48,163,690.02/7,934.49
  6. Step 6: Final answer
    x = 6,070.17

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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.