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Finding the Fourth Proportional to 18,299.52, 25,253.52 and 9,916.08

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Solution

The fourth proportional to 18,299.52, 25,253.52 and 9,916.08 is: 13,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.52 : 25,253.52 = 9,916.08 : x
  2. Step 2: Convert to fraction form
    18,299.52/25,253.52 = 9,916.08/x
  3. Step 3: Cross multiply
    18,299.52x = 25,253.52 × 9,916.08
  4. Step 4: Simplify right side
    18,299.52x = 250,415,924.60
  5. Step 5: Solve for x
    x = 250,415,924.60/18,299.52
  6. Step 6: Final answer
    x = 13,684.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.