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Finding the Fourth Proportional to 53,473.62, 73,801.50 and 30,808.30

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Solution

The fourth proportional to 53,473.62, 73,801.50 and 30,808.30 is: 42,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,473.62 : 73,801.50 = 30,808.30 : x
  2. Step 2: Convert to fraction form
    53,473.62/73,801.50 = 30,808.30/x
  3. Step 3: Cross multiply
    53,473.62x = 73,801.50 × 30,808.30
  4. Step 4: Simplify right side
    53,473.62x = 2,273,698,850.74
  5. Step 5: Solve for x
    x = 2,273,698,850.74/53,473.62
  6. Step 6: Final answer
    x = 42,520.01

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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.