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Finding the Fourth Proportional to 6,884.90, 9,479.58 and 6,076.52

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Solution

The fourth proportional to 6,884.90, 9,479.58 and 6,076.52 is: 8,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.90 : 9,479.58 = 6,076.52 : x
  2. Step 2: Convert to fraction form
    6,884.90/9,479.58 = 6,076.52/x
  3. Step 3: Cross multiply
    6,884.90x = 9,479.58 × 6,076.52
  4. Step 4: Simplify right side
    6,884.90x = 57,602,857.46
  5. Step 5: Solve for x
    x = 57,602,857.46/6,884.90
  6. Step 6: Final answer
    x = 8,366.55

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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.