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Finding the Fourth Proportional to 29,488.32, 40,690.86 and 16,737.48

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Solution

The fourth proportional to 29,488.32, 40,690.86 and 16,737.48 is: 23,096.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,488.32 : 40,690.86 = 16,737.48 : x
  2. Step 2: Convert to fraction form
    29,488.32/40,690.86 = 16,737.48/x
  3. Step 3: Cross multiply
    29,488.32x = 40,690.86 × 16,737.48
  4. Step 4: Simplify right side
    29,488.32x = 681,062,455.43
  5. Step 5: Solve for x
    x = 681,062,455.43/29,488.32
  6. Step 6: Final answer
    x = 23,096.01

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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.