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Finding the Fourth Proportional to 33,907.17, 50,854.95 and 8,947.47

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Solution

The fourth proportional to 33,907.17, 50,854.95 and 8,947.47 is: 13,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,907.17 : 50,854.95 = 8,947.47 : x
  2. Step 2: Convert to fraction form
    33,907.17/50,854.95 = 8,947.47/x
  3. Step 3: Cross multiply
    33,907.17x = 50,854.95 × 8,947.47
  4. Step 4: Simplify right side
    33,907.17x = 455,023,139.48
  5. Step 5: Solve for x
    x = 455,023,139.48/33,907.17
  6. Step 6: Final answer
    x = 13,419.67

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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.