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Finding the Fourth Proportional to 66,725.65, 92,080.60 and 36,510.65

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Solution

The fourth proportional to 66,725.65, 92,080.60 and 36,510.65 is: 50,384.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,725.65 : 92,080.60 = 36,510.65 : x
  2. Step 2: Convert to fraction form
    66,725.65/92,080.60 = 36,510.65/x
  3. Step 3: Cross multiply
    66,725.65x = 92,080.60 × 36,510.65
  4. Step 4: Simplify right side
    66,725.65x = 3,361,922,352.01
  5. Step 5: Solve for x
    x = 3,361,922,352.01/66,725.65
  6. Step 6: Final answer
    x = 50,384.26

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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.