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Finding the Fourth Proportional to 13,362.30, 20,059.65 and 13,265.10

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Solution

The fourth proportional to 13,362.30, 20,059.65 and 13,265.10 is: 19,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.30 : 20,059.65 = 13,265.10 : x
  2. Step 2: Convert to fraction form
    13,362.30/20,059.65 = 13,265.10/x
  3. Step 3: Cross multiply
    13,362.30x = 20,059.65 × 13,265.10
  4. Step 4: Simplify right side
    13,362.30x = 266,093,263.22
  5. Step 5: Solve for x
    x = 266,093,263.22/13,362.30
  6. Step 6: Final answer
    x = 19,913.73

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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.