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Finding the Fourth Proportional to 70,015.59, 105,023.39 and 17,425.07

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Solution

The fourth proportional to 70,015.59, 105,023.39 and 17,425.07 is: 26,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,015.59 : 105,023.39 = 17,425.07 : x
  2. Step 2: Convert to fraction form
    70,015.59/105,023.39 = 17,425.07/x
  3. Step 3: Cross multiply
    70,015.59x = 105,023.39 × 17,425.07
  4. Step 4: Simplify right side
    70,015.59x = 1,830,039,922.39
  5. Step 5: Solve for x
    x = 1,830,039,922.39/70,015.59
  6. Step 6: Final answer
    x = 26,137.61

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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.