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Finding the Fourth Proportional to 30,716.70, 45,758.02 and 29,787.44

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Solution

The fourth proportional to 30,716.70, 45,758.02 and 29,787.44 is: 44,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,716.70 : 45,758.02 = 29,787.44 : x
  2. Step 2: Convert to fraction form
    30,716.70/45,758.02 = 29,787.44/x
  3. Step 3: Cross multiply
    30,716.70x = 45,758.02 × 29,787.44
  4. Step 4: Simplify right side
    30,716.70x = 1,363,014,275.27
  5. Step 5: Solve for x
    x = 1,363,014,275.27/30,716.70
  6. Step 6: Final answer
    x = 44,373.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.