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Finding the Fourth Proportional to 56,241, 77,613.86 and 36,403.56

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Solution

The fourth proportional to 56,241, 77,613.86 and 36,403.56 is: 50,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,241 : 77,613.86 = 36,403.56 : x
  2. Step 2: Convert to fraction form
    56,241/77,613.86 = 36,403.56/x
  3. Step 3: Cross multiply
    56,241x = 77,613.86 × 36,403.56
  4. Step 4: Simplify right side
    56,241x = 2,825,420,809.34
  5. Step 5: Solve for x
    x = 2,825,420,809.34/56,241
  6. Step 6: Final answer
    x = 50,237.74

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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.