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Finding the Fourth Proportional to 26,419.03, 39,644.03 and 9,790.63

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Solution

The fourth proportional to 26,419.03, 39,644.03 and 9,790.63 is: 14,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.03 : 39,644.03 = 9,790.63 : x
  2. Step 2: Convert to fraction form
    26,419.03/39,644.03 = 9,790.63/x
  3. Step 3: Cross multiply
    26,419.03x = 39,644.03 × 9,790.63
  4. Step 4: Simplify right side
    26,419.03x = 388,139,980.49
  5. Step 5: Solve for x
    x = 388,139,980.49/26,419.03
  6. Step 6: Final answer
    x = 14,691.68

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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.