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Finding the Fourth Proportional to 26,838.92, 40,264.70 and 26,392.64

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Solution

The fourth proportional to 26,838.92, 40,264.70 and 26,392.64 is: 39,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838.92 : 40,264.70 = 26,392.64 : x
  2. Step 2: Convert to fraction form
    26,838.92/40,264.70 = 26,392.64/x
  3. Step 3: Cross multiply
    26,838.92x = 40,264.70 × 26,392.64
  4. Step 4: Simplify right side
    26,838.92x = 1,062,691,731.81
  5. Step 5: Solve for x
    x = 1,062,691,731.81/26,838.92
  6. Step 6: Final answer
    x = 39,595.17

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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.