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Finding the Fourth Proportional to 66,853.84, 100,254.84 and 35,672.08

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Solution

The fourth proportional to 66,853.84, 100,254.84 and 35,672.08 is: 53,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,853.84 : 100,254.84 = 35,672.08 : x
  2. Step 2: Convert to fraction form
    66,853.84/100,254.84 = 35,672.08/x
  3. Step 3: Cross multiply
    66,853.84x = 100,254.84 × 35,672.08
  4. Step 4: Simplify right side
    66,853.84x = 3,576,298,672.87
  5. Step 5: Solve for x
    x = 3,576,298,672.87/66,853.84
  6. Step 6: Final answer
    x = 53,494.29

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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.