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Finding the Fourth Proportional to 29,348.30, 44,020.82 and 21,458.90

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Solution

The fourth proportional to 29,348.30, 44,020.82 and 21,458.90 is: 32,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,348.30 : 44,020.82 = 21,458.90 : x
  2. Step 2: Convert to fraction form
    29,348.30/44,020.82 = 21,458.90/x
  3. Step 3: Cross multiply
    29,348.30x = 44,020.82 × 21,458.90
  4. Step 4: Simplify right side
    29,348.30x = 944,638,207.84
  5. Step 5: Solve for x
    x = 944,638,207.84/29,348.30
  6. Step 6: Final answer
    x = 32,187.16

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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.