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Finding the Fourth Proportional to 58,351.88, 87,471.16 and 46,476.68

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Solution

The fourth proportional to 58,351.88, 87,471.16 and 46,476.68 is: 69,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,351.88 : 87,471.16 = 46,476.68 : x
  2. Step 2: Convert to fraction form
    58,351.88/87,471.16 = 46,476.68/x
  3. Step 3: Cross multiply
    58,351.88x = 87,471.16 × 46,476.68
  4. Step 4: Simplify right side
    58,351.88x = 4,065,369,112.55
  5. Step 5: Solve for x
    x = 4,065,369,112.55/58,351.88
  6. Step 6: Final answer
    x = 69,669.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.