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Finding the Fourth Proportional to 48,304.76, 72,455.83 and 21,643.50

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Solution

The fourth proportional to 48,304.76, 72,455.83 and 21,643.50 is: 32,464.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,304.76 : 72,455.83 = 21,643.50 : x
  2. Step 2: Convert to fraction form
    48,304.76/72,455.83 = 21,643.50/x
  3. Step 3: Cross multiply
    48,304.76x = 72,455.83 × 21,643.50
  4. Step 4: Simplify right side
    48,304.76x = 1,568,197,974.21
  5. Step 5: Solve for x
    x = 1,568,197,974.21/48,304.76
  6. Step 6: Final answer
    x = 32,464.67

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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.