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Finding the Fourth Proportional to 33,807.60, 50,711.40 and 31,604.40

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Solution

The fourth proportional to 33,807.60, 50,711.40 and 31,604.40 is: 47,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,807.60 : 50,711.40 = 31,604.40 : x
  2. Step 2: Convert to fraction form
    33,807.60/50,711.40 = 31,604.40/x
  3. Step 3: Cross multiply
    33,807.60x = 50,711.40 × 31,604.40
  4. Step 4: Simplify right side
    33,807.60x = 1,602,703,370.16
  5. Step 5: Solve for x
    x = 1,602,703,370.16/33,807.60
  6. Step 6: Final answer
    x = 47,406.60

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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.