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Finding the Fourth Proportional to 66,153.58, 91,292.58 and 35,939.14

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Solution

The fourth proportional to 66,153.58, 91,292.58 and 35,939.14 is: 49,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,153.58 : 91,292.58 = 35,939.14 : x
  2. Step 2: Convert to fraction form
    66,153.58/91,292.58 = 35,939.14/x
  3. Step 3: Cross multiply
    66,153.58x = 91,292.58 × 35,939.14
  4. Step 4: Simplify right side
    66,153.58x = 3,280,976,585.35
  5. Step 5: Solve for x
    x = 3,280,976,585.35/66,153.58
  6. Step 6: Final answer
    x = 49,596.36

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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.