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Finding the Fourth Proportional to 35,152.60, 48,603.92 and 30,723.92

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Solution

The fourth proportional to 35,152.60, 48,603.92 and 30,723.92 is: 42,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,152.60 : 48,603.92 = 30,723.92 : x
  2. Step 2: Convert to fraction form
    35,152.60/48,603.92 = 30,723.92/x
  3. Step 3: Cross multiply
    35,152.60x = 48,603.92 × 30,723.92
  4. Step 4: Simplify right side
    35,152.60x = 1,493,302,949.77
  5. Step 5: Solve for x
    x = 1,493,302,949.77/35,152.60
  6. Step 6: Final answer
    x = 42,480.58

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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.