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Finding the Fourth Proportional to 50,603.52, 69,832.96 and 28,248.32

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Solution

The fourth proportional to 50,603.52, 69,832.96 and 28,248.32 is: 38,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,603.52 : 69,832.96 = 28,248.32 : x
  2. Step 2: Convert to fraction form
    50,603.52/69,832.96 = 28,248.32/x
  3. Step 3: Cross multiply
    50,603.52x = 69,832.96 × 28,248.32
  4. Step 4: Simplify right side
    50,603.52x = 1,972,663,800.63
  5. Step 5: Solve for x
    x = 1,972,663,800.63/50,603.52
  6. Step 6: Final answer
    x = 38,982.74

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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.