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Finding the Fourth Proportional to 26,694.40, 40,041.60 and 21,510.40

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Solution

The fourth proportional to 26,694.40, 40,041.60 and 21,510.40 is: 32,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,694.40 : 40,041.60 = 21,510.40 : x
  2. Step 2: Convert to fraction form
    26,694.40/40,041.60 = 21,510.40/x
  3. Step 3: Cross multiply
    26,694.40x = 40,041.60 × 21,510.40
  4. Step 4: Simplify right side
    26,694.40x = 861,310,832.64
  5. Step 5: Solve for x
    x = 861,310,832.64/26,694.40
  6. Step 6: Final answer
    x = 32,265.60

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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.