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Finding the Fourth Proportional to 39,758.58, 59,600.79 and 13,445.01

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Solution

The fourth proportional to 39,758.58, 59,600.79 and 13,445.01 is: 20,154.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,758.58 : 59,600.79 = 13,445.01 : x
  2. Step 2: Convert to fraction form
    39,758.58/59,600.79 = 13,445.01/x
  3. Step 3: Cross multiply
    39,758.58x = 59,600.79 × 13,445.01
  4. Step 4: Simplify right side
    39,758.58x = 801,333,217.56
  5. Step 5: Solve for x
    x = 801,333,217.56/39,758.58
  6. Step 6: Final answer
    x = 20,154.98

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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.