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Finding the Fourth Proportional to 65,219.40, 97,835.12 and 20,241.04

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Solution

The fourth proportional to 65,219.40, 97,835.12 and 20,241.04 is: 30,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,219.40 : 97,835.12 = 20,241.04 : x
  2. Step 2: Convert to fraction form
    65,219.40/97,835.12 = 20,241.04/x
  3. Step 3: Cross multiply
    65,219.40x = 97,835.12 × 20,241.04
  4. Step 4: Simplify right side
    65,219.40x = 1,980,284,577.32
  5. Step 5: Solve for x
    x = 1,980,284,577.32/65,219.40
  6. Step 6: Final answer
    x = 30,363.43

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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.