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Finding the Fourth Proportional to 26,671.34, 36,804.90 and 15,928.34

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Solution

The fourth proportional to 26,671.34, 36,804.90 and 15,928.34 is: 21,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,671.34 : 36,804.90 = 15,928.34 : x
  2. Step 2: Convert to fraction form
    26,671.34/36,804.90 = 15,928.34/x
  3. Step 3: Cross multiply
    26,671.34x = 36,804.90 × 15,928.34
  4. Step 4: Simplify right side
    26,671.34x = 586,240,960.87
  5. Step 5: Solve for x
    x = 586,240,960.87/26,671.34
  6. Step 6: Final answer
    x = 21,980.18

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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.