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Finding the Fourth Proportional to 66,152.66, 91,290.30 and 35,937.72

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Solution

The fourth proportional to 66,152.66, 91,290.30 and 35,937.72 is: 49,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,152.66 : 91,290.30 = 35,937.72 : x
  2. Step 2: Convert to fraction form
    66,152.66/91,290.30 = 35,937.72/x
  3. Step 3: Cross multiply
    66,152.66x = 91,290.30 × 35,937.72
  4. Step 4: Simplify right side
    66,152.66x = 3,280,765,240.12
  5. Step 5: Solve for x
    x = 3,280,765,240.12/66,152.66
  6. Step 6: Final answer
    x = 49,593.85

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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.