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Finding the Fourth Proportional to 66,725.90, 100,088.91 and 27,283.01

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Solution

The fourth proportional to 66,725.90, 100,088.91 and 27,283.01 is: 40,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,725.90 : 100,088.91 = 27,283.01 : x
  2. Step 2: Convert to fraction form
    66,725.90/100,088.91 = 27,283.01/x
  3. Step 3: Cross multiply
    66,725.90x = 100,088.91 × 27,283.01
  4. Step 4: Simplify right side
    66,725.90x = 2,730,726,732.42
  5. Step 5: Solve for x
    x = 2,730,726,732.42/66,725.90
  6. Step 6: Final answer
    x = 40,924.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.