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Finding the Fourth Proportional to 36,807.32, 50,800.72 and 21,699.08

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Solution

The fourth proportional to 36,807.32, 50,800.72 and 21,699.08 is: 29,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,807.32 : 50,800.72 = 21,699.08 : x
  2. Step 2: Convert to fraction form
    36,807.32/50,800.72 = 21,699.08/x
  3. Step 3: Cross multiply
    36,807.32x = 50,800.72 × 21,699.08
  4. Step 4: Simplify right side
    36,807.32x = 1,102,328,887.34
  5. Step 5: Solve for x
    x = 1,102,328,887.34/36,807.32
  6. Step 6: Final answer
    x = 29,948.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.