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Finding the Fourth Proportional to 6,636.84, 9,159.06 and 3,652.86

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Solution

The fourth proportional to 6,636.84, 9,159.06 and 3,652.86 is: 5,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.84 : 9,159.06 = 3,652.86 : x
  2. Step 2: Convert to fraction form
    6,636.84/9,159.06 = 3,652.86/x
  3. Step 3: Cross multiply
    6,636.84x = 9,159.06 × 3,652.86
  4. Step 4: Simplify right side
    6,636.84x = 33,456,763.91
  5. Step 5: Solve for x
    x = 33,456,763.91/6,636.84
  6. Step 6: Final answer
    x = 5,041.07

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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.