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Finding the Fourth Proportional to 35,241.40, 52,869.30 and 11,870.20

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Solution

The fourth proportional to 35,241.40, 52,869.30 and 11,870.20 is: 17,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,241.40 : 52,869.30 = 11,870.20 : x
  2. Step 2: Convert to fraction form
    35,241.40/52,869.30 = 11,870.20/x
  3. Step 3: Cross multiply
    35,241.40x = 52,869.30 × 11,870.20
  4. Step 4: Simplify right side
    35,241.40x = 627,569,164.86
  5. Step 5: Solve for x
    x = 627,569,164.86/35,241.40
  6. Step 6: Final answer
    x = 17,807.73

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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.