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Finding the Fourth Proportional to 52,886.70, 72,983.34 and 29,012.85

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Solution

The fourth proportional to 52,886.70, 72,983.34 and 29,012.85 is: 40,037.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,886.70 : 72,983.34 = 29,012.85 : x
  2. Step 2: Convert to fraction form
    52,886.70/72,983.34 = 29,012.85/x
  3. Step 3: Cross multiply
    52,886.70x = 72,983.34 × 29,012.85
  4. Step 4: Simplify right side
    52,886.70x = 2,117,454,695.92
  5. Step 5: Solve for x
    x = 2,117,454,695.92/52,886.70
  6. Step 6: Final answer
    x = 40,037.57

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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.