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Finding the Fourth Proportional to 8,256.48, 12,369.96 and 4,352.16

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Solution

The fourth proportional to 8,256.48, 12,369.96 and 4,352.16 is: 6,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.48 : 12,369.96 = 4,352.16 : x
  2. Step 2: Convert to fraction form
    8,256.48/12,369.96 = 4,352.16/x
  3. Step 3: Cross multiply
    8,256.48x = 12,369.96 × 4,352.16
  4. Step 4: Simplify right side
    8,256.48x = 53,836,045.11
  5. Step 5: Solve for x
    x = 53,836,045.11/8,256.48
  6. Step 6: Final answer
    x = 6,520.46

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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.