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Finding the Fourth Proportional to 52,409.65, 72,325.49 and 28,536.47

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Solution

The fourth proportional to 52,409.65, 72,325.49 and 28,536.47 is: 39,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,409.65 : 72,325.49 = 28,536.47 : x
  2. Step 2: Convert to fraction form
    52,409.65/72,325.49 = 28,536.47/x
  3. Step 3: Cross multiply
    52,409.65x = 72,325.49 × 28,536.47
  4. Step 4: Simplify right side
    52,409.65x = 2,063,914,103.05
  5. Step 5: Solve for x
    x = 2,063,914,103.05/52,409.65
  6. Step 6: Final answer
    x = 39,380.42

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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.