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Finding the Fourth Proportional to 70,483.90, 105,725.13 and 23,736.46

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Solution

The fourth proportional to 70,483.90, 105,725.13 and 23,736.46 is: 35,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,483.90 : 105,725.13 = 23,736.46 : x
  2. Step 2: Convert to fraction form
    70,483.90/105,725.13 = 23,736.46/x
  3. Step 3: Cross multiply
    70,483.90x = 105,725.13 × 23,736.46
  4. Step 4: Simplify right side
    70,483.90x = 2,509,540,319.24
  5. Step 5: Solve for x
    x = 2,509,540,319.24/70,483.90
  6. Step 6: Final answer
    x = 35,604.45

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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.