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Finding the Fourth Proportional to 65,250.69, 97,860.06 and 20,868.26

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Solution

The fourth proportional to 65,250.69, 97,860.06 and 20,868.26 is: 31,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250.69 : 97,860.06 = 20,868.26 : x
  2. Step 2: Convert to fraction form
    65,250.69/97,860.06 = 20,868.26/x
  3. Step 3: Cross multiply
    65,250.69x = 97,860.06 × 20,868.26
  4. Step 4: Simplify right side
    65,250.69x = 2,042,168,686.40
  5. Step 5: Solve for x
    x = 2,042,168,686.40/65,250.69
  6. Step 6: Final answer
    x = 31,297.27

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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.