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Finding the Fourth Proportional to 30,601.70, 45,902.55 and 29,435.30

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Solution

The fourth proportional to 30,601.70, 45,902.55 and 29,435.30 is: 44,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.70 : 45,902.55 = 29,435.30 : x
  2. Step 2: Convert to fraction form
    30,601.70/45,902.55 = 29,435.30/x
  3. Step 3: Cross multiply
    30,601.70x = 45,902.55 × 29,435.30
  4. Step 4: Simplify right side
    30,601.70x = 1,351,155,330.02
  5. Step 5: Solve for x
    x = 1,351,155,330.02/30,601.70
  6. Step 6: Final answer
    x = 44,152.95

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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.