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Finding the Fourth Proportional to 26,607.70, 39,897.15 and 11,007.70

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Solution

The fourth proportional to 26,607.70, 39,897.15 and 11,007.70 is: 16,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,607.70 : 39,897.15 = 11,007.70 : x
  2. Step 2: Convert to fraction form
    26,607.70/39,897.15 = 11,007.70/x
  3. Step 3: Cross multiply
    26,607.70x = 39,897.15 × 11,007.70
  4. Step 4: Simplify right side
    26,607.70x = 439,175,858.06
  5. Step 5: Solve for x
    x = 439,175,858.06/26,607.70
  6. Step 6: Final answer
    x = 16,505.59

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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.