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Finding the Fourth Proportional to 26,702.53, 40,056.06 and 6,981.05

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Solution

The fourth proportional to 26,702.53, 40,056.06 and 6,981.05 is: 10,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,702.53 : 40,056.06 = 6,981.05 : x
  2. Step 2: Convert to fraction form
    26,702.53/40,056.06 = 6,981.05/x
  3. Step 3: Cross multiply
    26,702.53x = 40,056.06 × 6,981.05
  4. Step 4: Simplify right side
    26,702.53x = 279,633,483.98
  5. Step 5: Solve for x
    x = 279,633,483.98/26,702.53
  6. Step 6: Final answer
    x = 10,472.17

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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.