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Finding the Fourth Proportional to 69,386.20, 104,079.30 and 25,014.40

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Solution

The fourth proportional to 69,386.20, 104,079.30 and 25,014.40 is: 37,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,386.20 : 104,079.30 = 25,014.40 : x
  2. Step 2: Convert to fraction form
    69,386.20/104,079.30 = 25,014.40/x
  3. Step 3: Cross multiply
    69,386.20x = 104,079.30 × 25,014.40
  4. Step 4: Simplify right side
    69,386.20x = 2,603,481,241.92
  5. Step 5: Solve for x
    x = 2,603,481,241.92/69,386.20
  6. Step 6: Final answer
    x = 37,521.60

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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.