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Finding the Fourth Proportional to 22,583.03, 31,169.76 and 15,029.67

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Solution

The fourth proportional to 22,583.03, 31,169.76 and 15,029.67 is: 20,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,583.03 : 31,169.76 = 15,029.67 : x
  2. Step 2: Convert to fraction form
    22,583.03/31,169.76 = 15,029.67/x
  3. Step 3: Cross multiply
    22,583.03x = 31,169.76 × 15,029.67
  4. Step 4: Simplify right side
    22,583.03x = 468,471,206.78
  5. Step 5: Solve for x
    x = 468,471,206.78/22,583.03
  6. Step 6: Final answer
    x = 20,744.40

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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.