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Finding the Fourth Proportional to 26,469.30, 39,699.90 and 9,827.04

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Solution

The fourth proportional to 26,469.30, 39,699.90 and 9,827.04 is: 14,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.30 : 39,699.90 = 9,827.04 : x
  2. Step 2: Convert to fraction form
    26,469.30/39,699.90 = 9,827.04/x
  3. Step 3: Cross multiply
    26,469.30x = 39,699.90 × 9,827.04
  4. Step 4: Simplify right side
    26,469.30x = 390,132,505.30
  5. Step 5: Solve for x
    x = 390,132,505.30/26,469.30
  6. Step 6: Final answer
    x = 14,739.06

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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.