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Finding the Fourth Proportional to 22,719.29, 34,078.93 and 9,563.11

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Solution

The fourth proportional to 22,719.29, 34,078.93 and 9,563.11 is: 14,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,719.29 : 34,078.93 = 9,563.11 : x
  2. Step 2: Convert to fraction form
    22,719.29/34,078.93 = 9,563.11/x
  3. Step 3: Cross multiply
    22,719.29x = 34,078.93 × 9,563.11
  4. Step 4: Simplify right side
    22,719.29x = 325,900,638.86
  5. Step 5: Solve for x
    x = 325,900,638.86/22,719.29
  6. Step 6: Final answer
    x = 14,344.67

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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.