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Finding the Fourth Proportional to 34,030.85, 50,976.03 and 19,948.11

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Solution

The fourth proportional to 34,030.85, 50,976.03 and 19,948.11 is: 29,880.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,030.85 : 50,976.03 = 19,948.11 : x
  2. Step 2: Convert to fraction form
    34,030.85/50,976.03 = 19,948.11/x
  3. Step 3: Cross multiply
    34,030.85x = 50,976.03 × 19,948.11
  4. Step 4: Simplify right side
    34,030.85x = 1,016,875,453.80
  5. Step 5: Solve for x
    x = 1,016,875,453.80/34,030.85
  6. Step 6: Final answer
    x = 29,880.99

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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.