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Finding the Fourth Proportional to 48,702.16, 73,047.52 and 13,644.64

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Solution

The fourth proportional to 48,702.16, 73,047.52 and 13,644.64 is: 20,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,702.16 : 73,047.52 = 13,644.64 : x
  2. Step 2: Convert to fraction form
    48,702.16/73,047.52 = 13,644.64/x
  3. Step 3: Cross multiply
    48,702.16x = 73,047.52 × 13,644.64
  4. Step 4: Simplify right side
    48,702.16x = 996,707,113.29
  5. Step 5: Solve for x
    x = 996,707,113.29/48,702.16
  6. Step 6: Final answer
    x = 20,465.36

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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.