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Finding the Fourth Proportional to 28,952.64, 43,437.60 and 16,632

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Solution

The fourth proportional to 28,952.64, 43,437.60 and 16,632 is: 24,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.64 : 43,437.60 = 16,632 : x
  2. Step 2: Convert to fraction form
    28,952.64/43,437.60 = 16,632/x
  3. Step 3: Cross multiply
    28,952.64x = 43,437.60 × 16,632
  4. Step 4: Simplify right side
    28,952.64x = 722,454,163.20
  5. Step 5: Solve for x
    x = 722,454,163.20/28,952.64
  6. Step 6: Final answer
    x = 24,952.96

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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.