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Finding the Fourth Proportional to 66,799, 92,183.23 and 45,577.81

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Solution

The fourth proportional to 66,799, 92,183.23 and 45,577.81 is: 62,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,799 : 92,183.23 = 45,577.81 : x
  2. Step 2: Convert to fraction form
    66,799/92,183.23 = 45,577.81/x
  3. Step 3: Cross multiply
    66,799x = 92,183.23 × 45,577.81
  4. Step 4: Simplify right side
    66,799x = 4,201,509,742.13
  5. Step 5: Solve for x
    x = 4,201,509,742.13/66,799
  6. Step 6: Final answer
    x = 62,897.79

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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.