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Finding the Fourth Proportional to 16,517.90, 24,776.82 and 4,831.10

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Solution

The fourth proportional to 16,517.90, 24,776.82 and 4,831.10 is: 7,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,517.90 : 24,776.82 = 4,831.10 : x
  2. Step 2: Convert to fraction form
    16,517.90/24,776.82 = 4,831.10/x
  3. Step 3: Cross multiply
    16,517.90x = 24,776.82 × 4,831.10
  4. Step 4: Simplify right side
    16,517.90x = 119,699,295.10
  5. Step 5: Solve for x
    x = 119,699,295.10/16,517.90
  6. Step 6: Final answer
    x = 7,246.64

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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.