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Finding the Fourth Proportional to 35,650.32, 53,407.32 and 21,614.64

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Solution

The fourth proportional to 35,650.32, 53,407.32 and 21,614.64 is: 32,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,650.32 : 53,407.32 = 21,614.64 : x
  2. Step 2: Convert to fraction form
    35,650.32/53,407.32 = 21,614.64/x
  3. Step 3: Cross multiply
    35,650.32x = 53,407.32 × 21,614.64
  4. Step 4: Simplify right side
    35,650.32x = 1,154,379,995.16
  5. Step 5: Solve for x
    x = 1,154,379,995.16/35,650.32
  6. Step 6: Final answer
    x = 32,380.63

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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.