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Finding the Fourth Proportional to 70,367.50, 105,551.47 and 17,059.26

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Solution

The fourth proportional to 70,367.50, 105,551.47 and 17,059.26 is: 25,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,367.50 : 105,551.47 = 17,059.26 : x
  2. Step 2: Convert to fraction form
    70,367.50/105,551.47 = 17,059.26/x
  3. Step 3: Cross multiply
    70,367.50x = 105,551.47 × 17,059.26
  4. Step 4: Simplify right side
    70,367.50x = 1,800,630,497.45
  5. Step 5: Solve for x
    x = 1,800,630,497.45/70,367.50
  6. Step 6: Final answer
    x = 25,588.95

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Double scale
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Similar ratio
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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.