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Finding the Fourth Proportional to 18,893.70, 26,073.32 and 10,510.20

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Solution

The fourth proportional to 18,893.70, 26,073.32 and 10,510.20 is: 14,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893.70 : 26,073.32 = 10,510.20 : x
  2. Step 2: Convert to fraction form
    18,893.70/26,073.32 = 10,510.20/x
  3. Step 3: Cross multiply
    18,893.70x = 26,073.32 × 10,510.20
  4. Step 4: Simplify right side
    18,893.70x = 274,035,755.31
  5. Step 5: Solve for x
    x = 274,035,755.31/18,893.70
  6. Step 6: Final answer
    x = 14,504.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.