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Finding the Fourth Proportional to 66,088.94, 91,202.81 and 35,874.25

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Solution

The fourth proportional to 66,088.94, 91,202.81 and 35,874.25 is: 49,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,088.94 : 91,202.81 = 35,874.25 : x
  2. Step 2: Convert to fraction form
    66,088.94/91,202.81 = 35,874.25/x
  3. Step 3: Cross multiply
    66,088.94x = 91,202.81 × 35,874.25
  4. Step 4: Simplify right side
    66,088.94x = 3,271,832,406.64
  5. Step 5: Solve for x
    x = 3,271,832,406.64/66,088.94
  6. Step 6: Final answer
    x = 49,506.50

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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.