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Finding the Fourth Proportional to 70,795.77, 97,698.51 and 40,582.91

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Solution

The fourth proportional to 70,795.77, 97,698.51 and 40,582.91 is: 56,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,795.77 : 97,698.51 = 40,582.91 : x
  2. Step 2: Convert to fraction form
    70,795.77/97,698.51 = 40,582.91/x
  3. Step 3: Cross multiply
    70,795.77x = 97,698.51 × 40,582.91
  4. Step 4: Simplify right side
    70,795.77x = 3,964,889,349.97
  5. Step 5: Solve for x
    x = 3,964,889,349.97/70,795.77
  6. Step 6: Final answer
    x = 56,004.61

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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.