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Finding the Fourth Proportional to 70,293.84, 105,441.97 and 25,897.74

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Solution

The fourth proportional to 70,293.84, 105,441.97 and 25,897.74 is: 38,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,293.84 : 105,441.97 = 25,897.74 : x
  2. Step 2: Convert to fraction form
    70,293.84/105,441.97 = 25,897.74/x
  3. Step 3: Cross multiply
    70,293.84x = 105,441.97 × 25,897.74
  4. Step 4: Simplify right side
    70,293.84x = 2,730,708,724.15
  5. Step 5: Solve for x
    x = 2,730,708,724.15/70,293.84
  6. Step 6: Final answer
    x = 38,847.06

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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.