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Finding the Fourth Proportional to 26,671.40, 36,807.59 and 15,340.88

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Solution

The fourth proportional to 26,671.40, 36,807.59 and 15,340.88 is: 21,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,671.40 : 36,807.59 = 15,340.88 : x
  2. Step 2: Convert to fraction form
    26,671.40/36,807.59 = 15,340.88/x
  3. Step 3: Cross multiply
    26,671.40x = 36,807.59 × 15,340.88
  4. Step 4: Simplify right side
    26,671.40x = 564,660,894.12
  5. Step 5: Solve for x
    x = 564,660,894.12/26,671.40
  6. Step 6: Final answer
    x = 21,171.03

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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.