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Finding the Fourth Proportional to 36,544.16, 54,816 and 28,236.16

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Solution

The fourth proportional to 36,544.16, 54,816 and 28,236.16 is: 42,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,544.16 : 54,816 = 28,236.16 : x
  2. Step 2: Convert to fraction form
    36,544.16/54,816 = 28,236.16/x
  3. Step 3: Cross multiply
    36,544.16x = 54,816 × 28,236.16
  4. Step 4: Simplify right side
    36,544.16x = 1,547,793,346.56
  5. Step 5: Solve for x
    x = 1,547,793,346.56/36,544.16
  6. Step 6: Final answer
    x = 42,354.05

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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.