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Finding the Fourth Proportional to 70,265.44, 105,439.65 and 25,923.16

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Solution

The fourth proportional to 70,265.44, 105,439.65 and 25,923.16 is: 38,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,265.44 : 105,439.65 = 25,923.16 : x
  2. Step 2: Convert to fraction form
    70,265.44/105,439.65 = 25,923.16/x
  3. Step 3: Cross multiply
    70,265.44x = 105,439.65 × 25,923.16
  4. Step 4: Simplify right side
    70,265.44x = 2,733,328,917.29
  5. Step 5: Solve for x
    x = 2,733,328,917.29/70,265.44
  6. Step 6: Final answer
    x = 38,900.05

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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.