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Finding the Fourth Proportional to 6,653.79, 9,180.54 and 4,882.32

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Solution

The fourth proportional to 6,653.79, 9,180.54 and 4,882.32 is: 6,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.79 : 9,180.54 = 4,882.32 : x
  2. Step 2: Convert to fraction form
    6,653.79/9,180.54 = 4,882.32/x
  3. Step 3: Cross multiply
    6,653.79x = 9,180.54 × 4,882.32
  4. Step 4: Simplify right side
    6,653.79x = 44,822,334.05
  5. Step 5: Solve for x
    x = 44,822,334.05/6,653.79
  6. Step 6: Final answer
    x = 6,736.36

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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.