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Finding the Fourth Proportional to 26,591.04, 36,696.06 and 15,978.60

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Solution

The fourth proportional to 26,591.04, 36,696.06 and 15,978.60 is: 22,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,591.04 : 36,696.06 = 15,978.60 : x
  2. Step 2: Convert to fraction form
    26,591.04/36,696.06 = 15,978.60/x
  3. Step 3: Cross multiply
    26,591.04x = 36,696.06 × 15,978.60
  4. Step 4: Simplify right side
    26,591.04x = 586,351,664.32
  5. Step 5: Solve for x
    x = 586,351,664.32/26,591.04
  6. Step 6: Final answer
    x = 22,050.72

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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.