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Finding the Fourth Proportional to 33,807.98, 46,653.90 and 18,700.40

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Solution

The fourth proportional to 33,807.98, 46,653.90 and 18,700.40 is: 25,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,807.98 : 46,653.90 = 18,700.40 : x
  2. Step 2: Convert to fraction form
    33,807.98/46,653.90 = 18,700.40/x
  3. Step 3: Cross multiply
    33,807.98x = 46,653.90 × 18,700.40
  4. Step 4: Simplify right side
    33,807.98x = 872,446,591.56
  5. Step 5: Solve for x
    x = 872,446,591.56/33,807.98
  6. Step 6: Final answer
    x = 25,805.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.