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Finding the Fourth Proportional to 38,295.60, 57,299.04 and 34,410.84

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Solution

The fourth proportional to 38,295.60, 57,299.04 and 34,410.84 is: 51,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,295.60 : 57,299.04 = 34,410.84 : x
  2. Step 2: Convert to fraction form
    38,295.60/57,299.04 = 34,410.84/x
  3. Step 3: Cross multiply
    38,295.60x = 57,299.04 × 34,410.84
  4. Step 4: Simplify right side
    38,295.60x = 1,971,708,097.59
  5. Step 5: Solve for x
    x = 1,971,708,097.59/38,295.60
  6. Step 6: Final answer
    x = 51,486.54

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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.