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Finding the Fourth Proportional to 29,637.49, 44,463.68 and 20,889.49

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Solution

The fourth proportional to 29,637.49, 44,463.68 and 20,889.49 is: 31,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,637.49 : 44,463.68 = 20,889.49 : x
  2. Step 2: Convert to fraction form
    29,637.49/44,463.68 = 20,889.49/x
  3. Step 3: Cross multiply
    29,637.49x = 44,463.68 × 20,889.49
  4. Step 4: Simplify right side
    29,637.49x = 928,823,598.72
  5. Step 5: Solve for x
    x = 928,823,598.72/29,637.49
  6. Step 6: Final answer
    x = 31,339.48

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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.