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Finding the Fourth Proportional to 70,604.25, 105,883.93 and 23,208.40

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Solution

The fourth proportional to 70,604.25, 105,883.93 and 23,208.40 is: 34,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,604.25 : 105,883.93 = 23,208.40 : x
  2. Step 2: Convert to fraction form
    70,604.25/105,883.93 = 23,208.40/x
  3. Step 3: Cross multiply
    70,604.25x = 105,883.93 × 23,208.40
  4. Step 4: Simplify right side
    70,604.25x = 2,457,396,601.01
  5. Step 5: Solve for x
    x = 2,457,396,601.01/70,604.25
  6. Step 6: Final answer
    x = 34,805.22

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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.