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Finding the Fourth Proportional to 29,673.72, 44,461.14 and 20,890.14

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Solution

The fourth proportional to 29,673.72, 44,461.14 and 20,890.14 is: 31,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,673.72 : 44,461.14 = 20,890.14 : x
  2. Step 2: Convert to fraction form
    29,673.72/44,461.14 = 20,890.14/x
  3. Step 3: Cross multiply
    29,673.72x = 44,461.14 × 20,890.14
  4. Step 4: Simplify right side
    29,673.72x = 928,799,439.16
  5. Step 5: Solve for x
    x = 928,799,439.16/29,673.72
  6. Step 6: Final answer
    x = 31,300.40

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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.