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Finding the Fourth Proportional to 6,223.79, 8,599.76 and 4,975.15

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Solution

The fourth proportional to 6,223.79, 8,599.76 and 4,975.15 is: 6,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.79 : 8,599.76 = 4,975.15 : x
  2. Step 2: Convert to fraction form
    6,223.79/8,599.76 = 4,975.15/x
  3. Step 3: Cross multiply
    6,223.79x = 8,599.76 × 4,975.15
  4. Step 4: Simplify right side
    6,223.79x = 42,785,086.90
  5. Step 5: Solve for x
    x = 42,785,086.90/6,223.79
  6. Step 6: Final answer
    x = 6,874.44

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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.