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Finding the Fourth Proportional to 103,628.52, 155,446.80 and 32,599.60

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Solution

The fourth proportional to 103,628.52, 155,446.80 and 32,599.60 is: 48,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,628.52 : 155,446.80 = 32,599.60 : x
  2. Step 2: Convert to fraction form
    103,628.52/155,446.80 = 32,599.60/x
  3. Step 3: Cross multiply
    103,628.52x = 155,446.80 × 32,599.60
  4. Step 4: Simplify right side
    103,628.52x = 5,067,503,501.28
  5. Step 5: Solve for x
    x = 5,067,503,501.28/103,628.52
  6. Step 6: Final answer
    x = 48,900.66

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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.