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Finding the Fourth Proportional to 7,296.84, 10,888.32 and 6,511.44

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Solution

The fourth proportional to 7,296.84, 10,888.32 and 6,511.44 is: 9,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296.84 : 10,888.32 = 6,511.44 : x
  2. Step 2: Convert to fraction form
    7,296.84/10,888.32 = 6,511.44/x
  3. Step 3: Cross multiply
    7,296.84x = 10,888.32 × 6,511.44
  4. Step 4: Simplify right side
    7,296.84x = 70,898,642.38
  5. Step 5: Solve for x
    x = 70,898,642.38/7,296.84
  6. Step 6: Final answer
    x = 9,716.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.