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Finding the Fourth Proportional to 39,607.02, 59,418.02 and 15,916.41

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Solution

The fourth proportional to 39,607.02, 59,418.02 and 15,916.41 is: 23,877.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,607.02 : 59,418.02 = 15,916.41 : x
  2. Step 2: Convert to fraction form
    39,607.02/59,418.02 = 15,916.41/x
  3. Step 3: Cross multiply
    39,607.02x = 59,418.02 × 15,916.41
  4. Step 4: Simplify right side
    39,607.02x = 945,721,607.50
  5. Step 5: Solve for x
    x = 945,721,607.50/39,607.02
  6. Step 6: Final answer
    x = 23,877.63

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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.