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Finding the Fourth Proportional to 25,669.41, 35,423.80 and 14,491.41

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Solution

The fourth proportional to 25,669.41, 35,423.80 and 14,491.41 is: 19,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.41 : 35,423.80 = 14,491.41 : x
  2. Step 2: Convert to fraction form
    25,669.41/35,423.80 = 14,491.41/x
  3. Step 3: Cross multiply
    25,669.41x = 35,423.80 × 14,491.41
  4. Step 4: Simplify right side
    25,669.41x = 513,340,640.49
  5. Step 5: Solve for x
    x = 513,340,640.49/25,669.41
  6. Step 6: Final answer
    x = 19,998.15

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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.