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Finding the Fourth Proportional to 9,887.10, 14,822.04 and 4,039.98

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Solution

The fourth proportional to 9,887.10, 14,822.04 and 4,039.98 is: 6,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.10 : 14,822.04 = 4,039.98 : x
  2. Step 2: Convert to fraction form
    9,887.10/14,822.04 = 4,039.98/x
  3. Step 3: Cross multiply
    9,887.10x = 14,822.04 × 4,039.98
  4. Step 4: Simplify right side
    9,887.10x = 59,880,745.16
  5. Step 5: Solve for x
    x = 59,880,745.16/9,887.10
  6. Step 6: Final answer
    x = 6,056.45

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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.