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Finding the Fourth Proportional to 26,935.60, 40,403.40 and 19,062.40

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Solution

The fourth proportional to 26,935.60, 40,403.40 and 19,062.40 is: 28,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,935.60 : 40,403.40 = 19,062.40 : x
  2. Step 2: Convert to fraction form
    26,935.60/40,403.40 = 19,062.40/x
  3. Step 3: Cross multiply
    26,935.60x = 40,403.40 × 19,062.40
  4. Step 4: Simplify right side
    26,935.60x = 770,185,772.16
  5. Step 5: Solve for x
    x = 770,185,772.16/26,935.60
  6. Step 6: Final answer
    x = 28,593.60

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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.