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Finding the Fourth Proportional to 3,599.12, 4,972.52 and 3,007.76

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Solution

The fourth proportional to 3,599.12, 4,972.52 and 3,007.76 is: 4,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.12 : 4,972.52 = 3,007.76 : x
  2. Step 2: Convert to fraction form
    3,599.12/4,972.52 = 3,007.76/x
  3. Step 3: Cross multiply
    3,599.12x = 4,972.52 × 3,007.76
  4. Step 4: Simplify right side
    3,599.12x = 14,956,146.76
  5. Step 5: Solve for x
    x = 14,956,146.76/3,599.12
  6. Step 6: Final answer
    x = 4,155.50

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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.