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Finding the Fourth Proportional to 67,101.35, 100,698.15 and 25,015.09

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Solution

The fourth proportional to 67,101.35, 100,698.15 and 25,015.09 is: 37,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,101.35 : 100,698.15 = 25,015.09 : x
  2. Step 2: Convert to fraction form
    67,101.35/100,698.15 = 25,015.09/x
  3. Step 3: Cross multiply
    67,101.35x = 100,698.15 × 25,015.09
  4. Step 4: Simplify right side
    67,101.35x = 2,518,973,710.22
  5. Step 5: Solve for x
    x = 2,518,973,710.22/67,101.35
  6. Step 6: Final answer
    x = 37,539.84

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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.