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Finding the Fourth Proportional to 26,603.51, 39,917.48 and 9,964.89

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Solution

The fourth proportional to 26,603.51, 39,917.48 and 9,964.89 is: 14,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,603.51 : 39,917.48 = 9,964.89 : x
  2. Step 2: Convert to fraction form
    26,603.51/39,917.48 = 9,964.89/x
  3. Step 3: Cross multiply
    26,603.51x = 39,917.48 × 9,964.89
  4. Step 4: Simplify right side
    26,603.51x = 397,773,247.45
  5. Step 5: Solve for x
    x = 397,773,247.45/26,603.51
  6. Step 6: Final answer
    x = 14,951.91

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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.