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Finding the Fourth Proportional to 27,000.26, 37,260 and 15,671.70

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Solution

The fourth proportional to 27,000.26, 37,260 and 15,671.70 is: 21,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,000.26 : 37,260 = 15,671.70 : x
  2. Step 2: Convert to fraction form
    27,000.26/37,260 = 15,671.70/x
  3. Step 3: Cross multiply
    27,000.26x = 37,260 × 15,671.70
  4. Step 4: Simplify right side
    27,000.26x = 583,927,542
  5. Step 5: Solve for x
    x = 583,927,542/27,000.26
  6. Step 6: Final answer
    x = 21,626.74

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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.