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Finding the Fourth Proportional to 66,088.71, 91,202.52 and 35,874.02

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Solution

The fourth proportional to 66,088.71, 91,202.52 and 35,874.02 is: 49,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,088.71 : 91,202.52 = 35,874.02 : x
  2. Step 2: Convert to fraction form
    66,088.71/91,202.52 = 35,874.02/x
  3. Step 3: Cross multiply
    66,088.71x = 91,202.52 × 35,874.02
  4. Step 4: Simplify right side
    66,088.71x = 3,271,800,570.52
  5. Step 5: Solve for x
    x = 3,271,800,570.52/66,088.71
  6. Step 6: Final answer
    x = 49,506.20

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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.