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Finding the Fourth Proportional to 58,690.68, 80,966.23 and 34,808.64

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Solution

The fourth proportional to 58,690.68, 80,966.23 and 34,808.64 is: 48,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,690.68 : 80,966.23 = 34,808.64 : x
  2. Step 2: Convert to fraction form
    58,690.68/80,966.23 = 34,808.64/x
  3. Step 3: Cross multiply
    58,690.68x = 80,966.23 × 34,808.64
  4. Step 4: Simplify right side
    58,690.68x = 2,818,324,157.38
  5. Step 5: Solve for x
    x = 2,818,324,157.38/58,690.68
  6. Step 6: Final answer
    x = 48,019.96

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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.