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Finding the Fourth Proportional to 53,624.15, 80,449.90 and 37,859.90

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Solution

The fourth proportional to 53,624.15, 80,449.90 and 37,859.90 is: 56,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,624.15 : 80,449.90 = 37,859.90 : x
  2. Step 2: Convert to fraction form
    53,624.15/80,449.90 = 37,859.90/x
  3. Step 3: Cross multiply
    53,624.15x = 80,449.90 × 37,859.90
  4. Step 4: Simplify right side
    53,624.15x = 3,045,825,169.01
  5. Step 5: Solve for x
    x = 3,045,825,169.01/53,624.15
  6. Step 6: Final answer
    x = 56,799.50

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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.