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Finding the Fourth Proportional to 70,685.37, 97,550.42 and 43,845.71

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Solution

The fourth proportional to 70,685.37, 97,550.42 and 43,845.71 is: 60,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,685.37 : 97,550.42 = 43,845.71 : x
  2. Step 2: Convert to fraction form
    70,685.37/97,550.42 = 43,845.71/x
  3. Step 3: Cross multiply
    70,685.37x = 97,550.42 × 43,845.71
  4. Step 4: Simplify right side
    70,685.37x = 4,277,166,718.72
  5. Step 5: Solve for x
    x = 4,277,166,718.72/70,685.37
  6. Step 6: Final answer
    x = 60,509.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.