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Finding the Fourth Proportional to 26,471.40, 39,707.06 and 8,003.40

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Solution

The fourth proportional to 26,471.40, 39,707.06 and 8,003.40 is: 12,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.40 : 39,707.06 = 8,003.40 : x
  2. Step 2: Convert to fraction form
    26,471.40/39,707.06 = 8,003.40/x
  3. Step 3: Cross multiply
    26,471.40x = 39,707.06 × 8,003.40
  4. Step 4: Simplify right side
    26,471.40x = 317,791,484.00
  5. Step 5: Solve for x
    x = 317,791,484.00/26,471.40
  6. Step 6: Final answer
    x = 12,005.09

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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.