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Finding the Fourth Proportional to 39,630.33, 59,445 and 9,644.74

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Solution

The fourth proportional to 39,630.33, 59,445 and 9,644.74 is: 14,466.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,630.33 : 59,445 = 9,644.74 : x
  2. Step 2: Convert to fraction form
    39,630.33/59,445 = 9,644.74/x
  3. Step 3: Cross multiply
    39,630.33x = 59,445 × 9,644.74
  4. Step 4: Simplify right side
    39,630.33x = 573,331,569.30
  5. Step 5: Solve for x
    x = 573,331,569.30/39,630.33
  6. Step 6: Final answer
    x = 14,466.99

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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.