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Finding the Fourth Proportional to 58,807.93, 81,154.50 and 31,950.66

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Solution

The fourth proportional to 58,807.93, 81,154.50 and 31,950.66 is: 44,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,807.93 : 81,154.50 = 31,950.66 : x
  2. Step 2: Convert to fraction form
    58,807.93/81,154.50 = 31,950.66/x
  3. Step 3: Cross multiply
    58,807.93x = 81,154.50 × 31,950.66
  4. Step 4: Simplify right side
    58,807.93x = 2,592,939,713.96
  5. Step 5: Solve for x
    x = 2,592,939,713.96/58,807.93
  6. Step 6: Final answer
    x = 44,091.67

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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.