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Finding the Fourth Proportional to 70,339.62, 105,525.23 and 23,591.30

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Solution

The fourth proportional to 70,339.62, 105,525.23 and 23,591.30 is: 35,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,339.62 : 105,525.23 = 23,591.30 : x
  2. Step 2: Convert to fraction form
    70,339.62/105,525.23 = 23,591.30/x
  3. Step 3: Cross multiply
    70,339.62x = 105,525.23 × 23,591.30
  4. Step 4: Simplify right side
    70,339.62x = 2,489,477,358.50
  5. Step 5: Solve for x
    x = 2,489,477,358.50/70,339.62
  6. Step 6: Final answer
    x = 35,392.25

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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.