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Finding the Fourth Proportional to 66,816.02, 92,206.02 and 36,603.20

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Solution

The fourth proportional to 66,816.02, 92,206.02 and 36,603.20 is: 50,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,816.02 : 92,206.02 = 36,603.20 : x
  2. Step 2: Convert to fraction form
    66,816.02/92,206.02 = 36,603.20/x
  3. Step 3: Cross multiply
    66,816.02x = 92,206.02 × 36,603.20
  4. Step 4: Simplify right side
    66,816.02x = 3,375,035,391.26
  5. Step 5: Solve for x
    x = 3,375,035,391.26/66,816.02
  6. Step 6: Final answer
    x = 50,512.37

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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.