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Finding the Fourth Proportional to 39,153.66, 58,730.49 and 9,571.47

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Solution

The fourth proportional to 39,153.66, 58,730.49 and 9,571.47 is: 14,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153.66 : 58,730.49 = 9,571.47 : x
  2. Step 2: Convert to fraction form
    39,153.66/58,730.49 = 9,571.47/x
  3. Step 3: Cross multiply
    39,153.66x = 58,730.49 × 9,571.47
  4. Step 4: Simplify right side
    39,153.66x = 562,137,123.12
  5. Step 5: Solve for x
    x = 562,137,123.12/39,153.66
  6. Step 6: Final answer
    x = 14,357.21

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