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Finding the Fourth Proportional to 70,807.93, 97,715.22 and 40,593.91

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Solution

The fourth proportional to 70,807.93, 97,715.22 and 40,593.91 is: 56,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,807.93 : 97,715.22 = 40,593.91 : x
  2. Step 2: Convert to fraction form
    70,807.93/97,715.22 = 40,593.91/x
  3. Step 3: Cross multiply
    70,807.93x = 97,715.22 × 40,593.91
  4. Step 4: Simplify right side
    70,807.93x = 3,966,642,846.31
  5. Step 5: Solve for x
    x = 3,966,642,846.31/70,807.93
  6. Step 6: Final answer
    x = 56,019.75

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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.