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Finding the Fourth Proportional to 13,359.58, 20,043.98 and 5,969.14

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Solution

The fourth proportional to 13,359.58, 20,043.98 and 5,969.14 is: 8,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.58 : 20,043.98 = 5,969.14 : x
  2. Step 2: Convert to fraction form
    13,359.58/20,043.98 = 5,969.14/x
  3. Step 3: Cross multiply
    13,359.58x = 20,043.98 × 5,969.14
  4. Step 4: Simplify right side
    13,359.58x = 119,645,322.78
  5. Step 5: Solve for x
    x = 119,645,322.78/13,359.58
  6. Step 6: Final answer
    x = 8,955.77

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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.