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Finding the Fourth Proportional to 33,907.40, 50,864.04 and 8,947.28

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Solution

The fourth proportional to 33,907.40, 50,864.04 and 8,947.28 is: 13,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,907.40 : 50,864.04 = 8,947.28 : x
  2. Step 2: Convert to fraction form
    33,907.40/50,864.04 = 8,947.28/x
  3. Step 3: Cross multiply
    33,907.40x = 50,864.04 × 8,947.28
  4. Step 4: Simplify right side
    33,907.40x = 455,094,807.81
  5. Step 5: Solve for x
    x = 455,094,807.81/33,907.40
  6. Step 6: Final answer
    x = 13,421.70

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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.