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Finding the Fourth Proportional to 29,375.66, 40,537.01 and 15,946.77

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Solution

The fourth proportional to 29,375.66, 40,537.01 and 15,946.77 is: 22,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.66 : 40,537.01 = 15,946.77 : x
  2. Step 2: Convert to fraction form
    29,375.66/40,537.01 = 15,946.77/x
  3. Step 3: Cross multiply
    29,375.66x = 40,537.01 × 15,946.77
  4. Step 4: Simplify right side
    29,375.66x = 646,434,477.14
  5. Step 5: Solve for x
    x = 646,434,477.14/29,375.66
  6. Step 6: Final answer
    x = 22,005.78

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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.