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Finding the Fourth Proportional to 52,651.96, 72,582.78 and 40,054.84

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Solution

The fourth proportional to 52,651.96, 72,582.78 and 40,054.84 is: 55,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,651.96 : 72,582.78 = 40,054.84 : x
  2. Step 2: Convert to fraction form
    52,651.96/72,582.78 = 40,054.84/x
  3. Step 3: Cross multiply
    52,651.96x = 72,582.78 × 40,054.84
  4. Step 4: Simplify right side
    52,651.96x = 2,907,291,639.66
  5. Step 5: Solve for x
    x = 2,907,291,639.66/52,651.96
  6. Step 6: Final answer
    x = 55,217.16

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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.