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Finding the Fourth Proportional to 6,618.56, 9,133.08 and 3,824.24

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Solution

The fourth proportional to 6,618.56, 9,133.08 and 3,824.24 is: 5,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.56 : 9,133.08 = 3,824.24 : x
  2. Step 2: Convert to fraction form
    6,618.56/9,133.08 = 3,824.24/x
  3. Step 3: Cross multiply
    6,618.56x = 9,133.08 × 3,824.24
  4. Step 4: Simplify right side
    6,618.56x = 34,927,089.86
  5. Step 5: Solve for x
    x = 34,927,089.86/6,618.56
  6. Step 6: Final answer
    x = 5,277.14

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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.