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Finding the Fourth Proportional to 34,715.70, 52,073.55 and 31,653.90

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Solution

The fourth proportional to 34,715.70, 52,073.55 and 31,653.90 is: 47,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.70 : 52,073.55 = 31,653.90 : x
  2. Step 2: Convert to fraction form
    34,715.70/52,073.55 = 31,653.90/x
  3. Step 3: Cross multiply
    34,715.70x = 52,073.55 × 31,653.90
  4. Step 4: Simplify right side
    34,715.70x = 1,648,330,944.35
  5. Step 5: Solve for x
    x = 1,648,330,944.35/34,715.70
  6. Step 6: Final answer
    x = 47,480.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.