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Finding the Fourth Proportional to 14,792.58, 20,389.41 and 10,487.09

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Solution

The fourth proportional to 14,792.58, 20,389.41 and 10,487.09 is: 14,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,792.58 : 20,389.41 = 10,487.09 : x
  2. Step 2: Convert to fraction form
    14,792.58/20,389.41 = 10,487.09/x
  3. Step 3: Cross multiply
    14,792.58x = 20,389.41 × 10,487.09
  4. Step 4: Simplify right side
    14,792.58x = 213,825,628.69
  5. Step 5: Solve for x
    x = 213,825,628.69/14,792.58
  6. Step 6: Final answer
    x = 14,454.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.