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Finding the Fourth Proportional to 52,657.92, 72,675.84 and 30,297.60

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Solution

The fourth proportional to 52,657.92, 72,675.84 and 30,297.60 is: 41,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,657.92 : 72,675.84 = 30,297.60 : x
  2. Step 2: Convert to fraction form
    52,657.92/72,675.84 = 30,297.60/x
  3. Step 3: Cross multiply
    52,657.92x = 72,675.84 × 30,297.60
  4. Step 4: Simplify right side
    52,657.92x = 2,201,903,529.98
  5. Step 5: Solve for x
    x = 2,201,903,529.98/52,657.92
  6. Step 6: Final answer
    x = 41,815.24

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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.