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Finding the Fourth Proportional to 17,999.40, 26,966.70 and 14,694.60

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Solution

The fourth proportional to 17,999.40, 26,966.70 and 14,694.60 is: 22,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,999.40 : 26,966.70 = 14,694.60 : x
  2. Step 2: Convert to fraction form
    17,999.40/26,966.70 = 14,694.60/x
  3. Step 3: Cross multiply
    17,999.40x = 26,966.70 × 14,694.60
  4. Step 4: Simplify right side
    17,999.40x = 396,264,869.82
  5. Step 5: Solve for x
    x = 396,264,869.82/17,999.40
  6. Step 6: Final answer
    x = 22,015.45

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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.