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Finding the Fourth Proportional to 8,828.88, 13,243.12 and 4,445.16

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Solution

The fourth proportional to 8,828.88, 13,243.12 and 4,445.16 is: 6,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.88 : 13,243.12 = 4,445.16 : x
  2. Step 2: Convert to fraction form
    8,828.88/13,243.12 = 4,445.16/x
  3. Step 3: Cross multiply
    8,828.88x = 13,243.12 × 4,445.16
  4. Step 4: Simplify right side
    8,828.88x = 58,867,776.19
  5. Step 5: Solve for x
    x = 58,867,776.19/8,828.88
  6. Step 6: Final answer
    x = 6,667.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.