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Finding the Fourth Proportional to 52,612.77, 72,602.96 and 28,734.87

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Solution

The fourth proportional to 52,612.77, 72,602.96 and 28,734.87 is: 39,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,612.77 : 72,602.96 = 28,734.87 : x
  2. Step 2: Convert to fraction form
    52,612.77/72,602.96 = 28,734.87/x
  3. Step 3: Cross multiply
    52,612.77x = 72,602.96 × 28,734.87
  4. Step 4: Simplify right side
    52,612.77x = 2,086,236,473.54
  5. Step 5: Solve for x
    x = 2,086,236,473.54/52,612.77
  6. Step 6: Final answer
    x = 39,652.66

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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.