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Finding the Fourth Proportional to 52,369.74, 72,271.85 and 28,494.99

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Solution

The fourth proportional to 52,369.74, 72,271.85 and 28,494.99 is: 39,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,369.74 : 72,271.85 = 28,494.99 : x
  2. Step 2: Convert to fraction form
    52,369.74/72,271.85 = 28,494.99/x
  3. Step 3: Cross multiply
    52,369.74x = 72,271.85 × 28,494.99
  4. Step 4: Simplify right side
    52,369.74x = 2,059,385,500.56
  5. Step 5: Solve for x
    x = 2,059,385,500.56/52,369.74
  6. Step 6: Final answer
    x = 39,323.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.