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Finding the Fourth Proportional to 25,794.70, 38,655.60 and 15,904.60

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Solution

The fourth proportional to 25,794.70, 38,655.60 and 15,904.60 is: 23,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,794.70 : 38,655.60 = 15,904.60 : x
  2. Step 2: Convert to fraction form
    25,794.70/38,655.60 = 15,904.60/x
  3. Step 3: Cross multiply
    25,794.70x = 38,655.60 × 15,904.60
  4. Step 4: Simplify right side
    25,794.70x = 614,801,855.76
  5. Step 5: Solve for x
    x = 614,801,855.76/25,794.70
  6. Step 6: Final answer
    x = 23,834.43

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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.