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Finding the Fourth Proportional to 9,916.94, 14,875.47 and 3,343.19

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Solution

The fourth proportional to 9,916.94, 14,875.47 and 3,343.19 is: 5,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.94 : 14,875.47 = 3,343.19 : x
  2. Step 2: Convert to fraction form
    9,916.94/14,875.47 = 3,343.19/x
  3. Step 3: Cross multiply
    9,916.94x = 14,875.47 × 3,343.19
  4. Step 4: Simplify right side
    9,916.94x = 49,731,431.46
  5. Step 5: Solve for x
    x = 49,731,431.46/9,916.94
  6. Step 6: Final answer
    x = 5,014.80

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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.