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Finding the Fourth Proportional to 26,893.16, 40,332.88 and 19,069.16

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Solution

The fourth proportional to 26,893.16, 40,332.88 and 19,069.16 is: 28,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,893.16 : 40,332.88 = 19,069.16 : x
  2. Step 2: Convert to fraction form
    26,893.16/40,332.88 = 19,069.16/x
  3. Step 3: Cross multiply
    26,893.16x = 40,332.88 × 19,069.16
  4. Step 4: Simplify right side
    26,893.16x = 769,114,195.14
  5. Step 5: Solve for x
    x = 769,114,195.14/26,893.16
  6. Step 6: Final answer
    x = 28,598.88

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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.