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Finding the Fourth Proportional to 15,069.86, 20,792.29 and 9,017.67

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Solution

The fourth proportional to 15,069.86, 20,792.29 and 9,017.67 is: 12,441.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069.86 : 20,792.29 = 9,017.67 : x
  2. Step 2: Convert to fraction form
    15,069.86/20,792.29 = 9,017.67/x
  3. Step 3: Cross multiply
    15,069.86x = 20,792.29 × 9,017.67
  4. Step 4: Simplify right side
    15,069.86x = 187,497,860.71
  5. Step 5: Solve for x
    x = 187,497,860.71/15,069.86
  6. Step 6: Final answer
    x = 12,441.91

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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.