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Finding the Fourth Proportional to 14,762.40, 22,169.20 and 10,410.40

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Solution

The fourth proportional to 14,762.40, 22,169.20 and 10,410.40 is: 15,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.40 : 22,169.20 = 10,410.40 : x
  2. Step 2: Convert to fraction form
    14,762.40/22,169.20 = 10,410.40/x
  3. Step 3: Cross multiply
    14,762.40x = 22,169.20 × 10,410.40
  4. Step 4: Simplify right side
    14,762.40x = 230,790,239.68
  5. Step 5: Solve for x
    x = 230,790,239.68/14,762.40
  6. Step 6: Final answer
    x = 15,633.65

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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.