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Finding the Fourth Proportional to 14,916.53, 22,370.05 and 5,053.50

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Solution

The fourth proportional to 14,916.53, 22,370.05 and 5,053.50 is: 7,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,916.53 : 22,370.05 = 5,053.50 : x
  2. Step 2: Convert to fraction form
    14,916.53/22,370.05 = 5,053.50/x
  3. Step 3: Cross multiply
    14,916.53x = 22,370.05 × 5,053.50
  4. Step 4: Simplify right side
    14,916.53x = 113,047,035.04
  5. Step 5: Solve for x
    x = 113,047,035.04/14,916.53
  6. Step 6: Final answer
    x = 7,578.64

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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.