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Finding the Fourth Proportional to 70,255.85, 105,362.53 and 36,957.56

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Solution

The fourth proportional to 70,255.85, 105,362.53 and 36,957.56 is: 55,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,255.85 : 105,362.53 = 36,957.56 : x
  2. Step 2: Convert to fraction form
    70,255.85/105,362.53 = 36,957.56/x
  3. Step 3: Cross multiply
    70,255.85x = 105,362.53 × 36,957.56
  4. Step 4: Simplify right side
    70,255.85x = 3,893,942,024.23
  5. Step 5: Solve for x
    x = 3,893,942,024.23/70,255.85
  6. Step 6: Final answer
    x = 55,425.16

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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.