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Finding the Fourth Proportional to 13,369.96, 20,055.20 and 5,053.89

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Solution

The fourth proportional to 13,369.96, 20,055.20 and 5,053.89 is: 7,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.96 : 20,055.20 = 5,053.89 : x
  2. Step 2: Convert to fraction form
    13,369.96/20,055.20 = 5,053.89/x
  3. Step 3: Cross multiply
    13,369.96x = 20,055.20 × 5,053.89
  4. Step 4: Simplify right side
    13,369.96x = 101,356,824.67
  5. Step 5: Solve for x
    x = 101,356,824.67/13,369.96
  6. Step 6: Final answer
    x = 7,580.94

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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.