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Finding the Fourth Proportional to 26,607.40, 39,911.10 and 25,311.40

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Solution

The fourth proportional to 26,607.40, 39,911.10 and 25,311.40 is: 37,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,607.40 : 39,911.10 = 25,311.40 : x
  2. Step 2: Convert to fraction form
    26,607.40/39,911.10 = 25,311.40/x
  3. Step 3: Cross multiply
    26,607.40x = 39,911.10 × 25,311.40
  4. Step 4: Simplify right side
    26,607.40x = 1,010,205,816.54
  5. Step 5: Solve for x
    x = 1,010,205,816.54/26,607.40
  6. Step 6: Final answer
    x = 37,967.10

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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.