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Finding the Fourth Proportional to 60,262.90, 90,378.15 and 25,195.30

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Solution

The fourth proportional to 60,262.90, 90,378.15 and 25,195.30 is: 37,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,262.90 : 90,378.15 = 25,195.30 : x
  2. Step 2: Convert to fraction form
    60,262.90/90,378.15 = 25,195.30/x
  3. Step 3: Cross multiply
    60,262.90x = 90,378.15 × 25,195.30
  4. Step 4: Simplify right side
    60,262.90x = 2,277,104,602.70
  5. Step 5: Solve for x
    x = 2,277,104,602.70/60,262.90
  6. Step 6: Final answer
    x = 37,786.18

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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.