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Finding the Fourth Proportional to 19,262.16, 28,892.81 and 8,873.91

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Solution

The fourth proportional to 19,262.16, 28,892.81 and 8,873.91 is: 13,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.16 : 28,892.81 = 8,873.91 : x
  2. Step 2: Convert to fraction form
    19,262.16/28,892.81 = 8,873.91/x
  3. Step 3: Cross multiply
    19,262.16x = 28,892.81 × 8,873.91
  4. Step 4: Simplify right side
    19,262.16x = 256,392,217.77
  5. Step 5: Solve for x
    x = 256,392,217.77/19,262.16
  6. Step 6: Final answer
    x = 13,310.67

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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.