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Finding the Fourth Proportional to 7,713.33, 10,644.33 and 4,356.11

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Solution

The fourth proportional to 7,713.33, 10,644.33 and 4,356.11 is: 6,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.33 : 10,644.33 = 4,356.11 : x
  2. Step 2: Convert to fraction form
    7,713.33/10,644.33 = 4,356.11/x
  3. Step 3: Cross multiply
    7,713.33x = 10,644.33 × 4,356.11
  4. Step 4: Simplify right side
    7,713.33x = 46,367,819.13
  5. Step 5: Solve for x
    x = 46,367,819.13/7,713.33
  6. Step 6: Final answer
    x = 6,011.39

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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.