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Finding the Fourth Proportional to 17,616.10, 26,423.92 and 4,289.16

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Solution

The fourth proportional to 17,616.10, 26,423.92 and 4,289.16 is: 6,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616.10 : 26,423.92 = 4,289.16 : x
  2. Step 2: Convert to fraction form
    17,616.10/26,423.92 = 4,289.16/x
  3. Step 3: Cross multiply
    17,616.10x = 26,423.92 × 4,289.16
  4. Step 4: Simplify right side
    17,616.10x = 113,336,420.71
  5. Step 5: Solve for x
    x = 113,336,420.71/17,616.10
  6. Step 6: Final answer
    x = 6,433.68

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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.