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Finding the Fourth Proportional to 8,476.33, 11,698.02 and 4,700.67

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Solution

The fourth proportional to 8,476.33, 11,698.02 and 4,700.67 is: 6,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.33 : 11,698.02 = 4,700.67 : x
  2. Step 2: Convert to fraction form
    8,476.33/11,698.02 = 4,700.67/x
  3. Step 3: Cross multiply
    8,476.33x = 11,698.02 × 4,700.67
  4. Step 4: Simplify right side
    8,476.33x = 54,988,508.17
  5. Step 5: Solve for x
    x = 54,988,508.17/8,476.33
  6. Step 6: Final answer
    x = 6,487.31

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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.