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Finding the Fourth Proportional to 25,829.55, 38,737.92 and 7,108.67

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Solution

The fourth proportional to 25,829.55, 38,737.92 and 7,108.67 is: 10,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,829.55 : 38,737.92 = 7,108.67 : x
  2. Step 2: Convert to fraction form
    25,829.55/38,737.92 = 7,108.67/x
  3. Step 3: Cross multiply
    25,829.55x = 38,737.92 × 7,108.67
  4. Step 4: Simplify right side
    25,829.55x = 275,375,089.77
  5. Step 5: Solve for x
    x = 275,375,089.77/25,829.55
  6. Step 6: Final answer
    x = 10,661.24

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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.