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Finding the Fourth Proportional to 45,599.34, 62,928.15 and 28,604.30

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Solution

The fourth proportional to 45,599.34, 62,928.15 and 28,604.30 is: 39,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,599.34 : 62,928.15 = 28,604.30 : x
  2. Step 2: Convert to fraction form
    45,599.34/62,928.15 = 28,604.30/x
  3. Step 3: Cross multiply
    45,599.34x = 62,928.15 × 28,604.30
  4. Step 4: Simplify right side
    45,599.34x = 1,800,015,838.37
  5. Step 5: Solve for x
    x = 1,800,015,838.37/45,599.34
  6. Step 6: Final answer
    x = 39,474.60

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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.