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Finding the Fourth Proportional to 34,367.20, 51,526.20 and 13,289.20

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Solution

The fourth proportional to 34,367.20, 51,526.20 and 13,289.20 is: 19,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,367.20 : 51,526.20 = 13,289.20 : x
  2. Step 2: Convert to fraction form
    34,367.20/51,526.20 = 13,289.20/x
  3. Step 3: Cross multiply
    34,367.20x = 51,526.20 × 13,289.20
  4. Step 4: Simplify right side
    34,367.20x = 684,741,977.04
  5. Step 5: Solve for x
    x = 684,741,977.04/34,367.20
  6. Step 6: Final answer
    x = 19,924.29

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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.