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Finding the Fourth Proportional to 72,887.38, 100,582.77 and 41,054.38

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Solution

The fourth proportional to 72,887.38, 100,582.77 and 41,054.38 is: 56,654.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,887.38 : 100,582.77 = 41,054.38 : x
  2. Step 2: Convert to fraction form
    72,887.38/100,582.77 = 41,054.38/x
  3. Step 3: Cross multiply
    72,887.38x = 100,582.77 × 41,054.38
  4. Step 4: Simplify right side
    72,887.38x = 4,129,363,261.03
  5. Step 5: Solve for x
    x = 4,129,363,261.03/72,887.38
  6. Step 6: Final answer
    x = 56,654.02

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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.