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Finding the Fourth Proportional to 13,358.98, 20,019.30 and 7,503.27

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Solution

The fourth proportional to 13,358.98, 20,019.30 and 7,503.27 is: 11,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.98 : 20,019.30 = 7,503.27 : x
  2. Step 2: Convert to fraction form
    13,358.98/20,019.30 = 7,503.27/x
  3. Step 3: Cross multiply
    13,358.98x = 20,019.30 × 7,503.27
  4. Step 4: Simplify right side
    13,358.98x = 150,210,213.11
  5. Step 5: Solve for x
    x = 150,210,213.11/13,358.98
  6. Step 6: Final answer
    x = 11,244.14

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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.