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Finding the Fourth Proportional to 52,409.61, 72,325.35 and 28,536.39

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Solution

The fourth proportional to 52,409.61, 72,325.35 and 28,536.39 is: 39,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,409.61 : 72,325.35 = 28,536.39 : x
  2. Step 2: Convert to fraction form
    52,409.61/72,325.35 = 28,536.39/x
  3. Step 3: Cross multiply
    52,409.61x = 72,325.35 × 28,536.39
  4. Step 4: Simplify right side
    52,409.61x = 2,063,904,394.49
  5. Step 5: Solve for x
    x = 2,063,904,394.49/52,409.61
  6. Step 6: Final answer
    x = 39,380.27

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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.