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Finding the Fourth Proportional to 36,628.31, 50,547.10 and 19,861.31

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Solution

The fourth proportional to 36,628.31, 50,547.10 and 19,861.31 is: 27,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,628.31 : 50,547.10 = 19,861.31 : x
  2. Step 2: Convert to fraction form
    36,628.31/50,547.10 = 19,861.31/x
  3. Step 3: Cross multiply
    36,628.31x = 50,547.10 × 19,861.31
  4. Step 4: Simplify right side
    36,628.31x = 1,003,931,699.42
  5. Step 5: Solve for x
    x = 1,003,931,699.42/36,628.31
  6. Step 6: Final answer
    x = 27,408.63

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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.