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Finding the Fourth Proportional to 66,006.66, 91,089.66 and 35,792.16

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Solution

The fourth proportional to 66,006.66, 91,089.66 and 35,792.16 is: 49,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,006.66 : 91,089.66 = 35,792.16 : x
  2. Step 2: Convert to fraction form
    66,006.66/91,089.66 = 35,792.16/x
  3. Step 3: Cross multiply
    66,006.66x = 91,089.66 × 35,792.16
  4. Step 4: Simplify right side
    66,006.66x = 3,260,295,685.07
  5. Step 5: Solve for x
    x = 3,260,295,685.07/66,006.66
  6. Step 6: Final answer
    x = 49,393.44

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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.