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Finding the Fourth Proportional to 19,101.71, 26,359.67 and 10,604.20

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Solution

The fourth proportional to 19,101.71, 26,359.67 and 10,604.20 is: 14,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.71 : 26,359.67 = 10,604.20 : x
  2. Step 2: Convert to fraction form
    19,101.71/26,359.67 = 10,604.20/x
  3. Step 3: Cross multiply
    19,101.71x = 26,359.67 × 10,604.20
  4. Step 4: Simplify right side
    19,101.71x = 279,523,212.61
  5. Step 5: Solve for x
    x = 279,523,212.61/19,101.71
  6. Step 6: Final answer
    x = 14,633.42

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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.