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Finding the Fourth Proportional to 30,241.35, 45,368.10 and 25,344.90

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Solution

The fourth proportional to 30,241.35, 45,368.10 and 25,344.90 is: 38,022.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.35 : 45,368.10 = 25,344.90 : x
  2. Step 2: Convert to fraction form
    30,241.35/45,368.10 = 25,344.90/x
  3. Step 3: Cross multiply
    30,241.35x = 45,368.10 × 25,344.90
  4. Step 4: Simplify right side
    30,241.35x = 1,149,849,957.69
  5. Step 5: Solve for x
    x = 1,149,849,957.69/30,241.35
  6. Step 6: Final answer
    x = 38,022.44

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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.