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Finding the Fourth Proportional to 36,128.52, 54,187.32 and 9,835.32

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Solution

The fourth proportional to 36,128.52, 54,187.32 and 9,835.32 is: 14,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,128.52 : 54,187.32 = 9,835.32 : x
  2. Step 2: Convert to fraction form
    36,128.52/54,187.32 = 9,835.32/x
  3. Step 3: Cross multiply
    36,128.52x = 54,187.32 × 9,835.32
  4. Step 4: Simplify right side
    36,128.52x = 532,949,632.14
  5. Step 5: Solve for x
    x = 532,949,632.14/36,128.52
  6. Step 6: Final answer
    x = 14,751.49

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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.