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Finding the Fourth Proportional to 8,443.95, 11,652.50 and 4,667.25

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Solution

The fourth proportional to 8,443.95, 11,652.50 and 4,667.25 is: 6,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.95 : 11,652.50 = 4,667.25 : x
  2. Step 2: Convert to fraction form
    8,443.95/11,652.50 = 4,667.25/x
  3. Step 3: Cross multiply
    8,443.95x = 11,652.50 × 4,667.25
  4. Step 4: Simplify right side
    8,443.95x = 54,385,107.29
  5. Step 5: Solve for x
    x = 54,385,107.29/8,443.95
  6. Step 6: Final answer
    x = 6,440.72

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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.