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Finding the Fourth Proportional to 34,123.60, 51,185.40 and 32,811.40

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Solution

The fourth proportional to 34,123.60, 51,185.40 and 32,811.40 is: 49,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,123.60 : 51,185.40 = 32,811.40 : x
  2. Step 2: Convert to fraction form
    34,123.60/51,185.40 = 32,811.40/x
  3. Step 3: Cross multiply
    34,123.60x = 51,185.40 × 32,811.40
  4. Step 4: Simplify right side
    34,123.60x = 1,679,464,633.56
  5. Step 5: Solve for x
    x = 1,679,464,633.56/34,123.60
  6. Step 6: Final answer
    x = 49,217.10

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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.