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Finding the Fourth Proportional to 36,235.10, 54,352.65 and 9,939.80

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Solution

The fourth proportional to 36,235.10, 54,352.65 and 9,939.80 is: 14,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,235.10 : 54,352.65 = 9,939.80 : x
  2. Step 2: Convert to fraction form
    36,235.10/54,352.65 = 9,939.80/x
  3. Step 3: Cross multiply
    36,235.10x = 54,352.65 × 9,939.80
  4. Step 4: Simplify right side
    36,235.10x = 540,254,470.47
  5. Step 5: Solve for x
    x = 540,254,470.47/36,235.10
  6. Step 6: Final answer
    x = 14,909.70

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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.