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Finding the Fourth Proportional to 70,052.48, 105,048.96 and 25,660.80

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Solution

The fourth proportional to 70,052.48, 105,048.96 and 25,660.80 is: 38,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,052.48 : 105,048.96 = 25,660.80 : x
  2. Step 2: Convert to fraction form
    70,052.48/105,048.96 = 25,660.80/x
  3. Step 3: Cross multiply
    70,052.48x = 105,048.96 × 25,660.80
  4. Step 4: Simplify right side
    70,052.48x = 2,695,640,352.77
  5. Step 5: Solve for x
    x = 2,695,640,352.77/70,052.48
  6. Step 6: Final answer
    x = 38,480.30

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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.