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Finding the Fourth Proportional to 66,775.84, 92,150.66 and 36,561.16

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Solution

The fourth proportional to 66,775.84, 92,150.66 and 36,561.16 is: 50,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,775.84 : 92,150.66 = 36,561.16 : x
  2. Step 2: Convert to fraction form
    66,775.84/92,150.66 = 36,561.16/x
  3. Step 3: Cross multiply
    66,775.84x = 92,150.66 × 36,561.16
  4. Step 4: Simplify right side
    66,775.84x = 3,369,135,024.37
  5. Step 5: Solve for x
    x = 3,369,135,024.37/66,775.84
  6. Step 6: Final answer
    x = 50,454.40

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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.