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Finding the Fourth Proportional to 7,636.22, 10,533.22 and 6,356.84

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Solution

The fourth proportional to 7,636.22, 10,533.22 and 6,356.84 is: 8,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.22 : 10,533.22 = 6,356.84 : x
  2. Step 2: Convert to fraction form
    7,636.22/10,533.22 = 6,356.84/x
  3. Step 3: Cross multiply
    7,636.22x = 10,533.22 × 6,356.84
  4. Step 4: Simplify right side
    7,636.22x = 66,957,994.22
  5. Step 5: Solve for x
    x = 66,957,994.22/7,636.22
  6. Step 6: Final answer
    x = 8,768.47

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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.