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Finding the Fourth Proportional to 34,341.71, 51,519.97 and 10,648.78

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Solution

The fourth proportional to 34,341.71, 51,519.97 and 10,648.78 is: 15,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,341.71 : 51,519.97 = 10,648.78 : x
  2. Step 2: Convert to fraction form
    34,341.71/51,519.97 = 10,648.78/x
  3. Step 3: Cross multiply
    34,341.71x = 51,519.97 × 10,648.78
  4. Step 4: Simplify right side
    34,341.71x = 548,624,970.50
  5. Step 5: Solve for x
    x = 548,624,970.50/34,341.71
  6. Step 6: Final answer
    x = 15,975.47

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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.