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Finding the Fourth Proportional to 58,914, 88,394.64 and 21,476.82

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Solution

The fourth proportional to 58,914, 88,394.64 and 21,476.82 is: 32,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,914 : 88,394.64 = 21,476.82 : x
  2. Step 2: Convert to fraction form
    58,914/88,394.64 = 21,476.82/x
  3. Step 3: Cross multiply
    58,914x = 88,394.64 × 21,476.82
  4. Step 4: Simplify right side
    58,914x = 1,898,435,772.24
  5. Step 5: Solve for x
    x = 1,898,435,772.24/58,914
  6. Step 6: Final answer
    x = 32,223.85

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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.