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Finding the Fourth Proportional to 8,443.04, 11,651.34 and 4,666.46

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Solution

The fourth proportional to 8,443.04, 11,651.34 and 4,666.46 is: 6,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.04 : 11,651.34 = 4,666.46 : x
  2. Step 2: Convert to fraction form
    8,443.04/11,651.34 = 4,666.46/x
  3. Step 3: Cross multiply
    8,443.04x = 11,651.34 × 4,666.46
  4. Step 4: Simplify right side
    8,443.04x = 54,370,512.06
  5. Step 5: Solve for x
    x = 54,370,512.06/8,443.04
  6. Step 6: Final answer
    x = 6,439.68

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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.