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Finding the Fourth Proportional to 66,852.01, 100,265.05 and 25,302.25

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Solution

The fourth proportional to 66,852.01, 100,265.05 and 25,302.25 is: 37,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,852.01 : 100,265.05 = 25,302.25 : x
  2. Step 2: Convert to fraction form
    66,852.01/100,265.05 = 25,302.25/x
  3. Step 3: Cross multiply
    66,852.01x = 100,265.05 × 25,302.25
  4. Step 4: Simplify right side
    66,852.01x = 2,536,931,361.36
  5. Step 5: Solve for x
    x = 2,536,931,361.36/66,852.01
  6. Step 6: Final answer
    x = 37,948.47

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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.