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Finding the Fourth Proportional to 10,903.63, 16,358.16 and 3,508.93

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Solution

The fourth proportional to 10,903.63, 16,358.16 and 3,508.93 is: 5,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.63 : 16,358.16 = 3,508.93 : x
  2. Step 2: Convert to fraction form
    10,903.63/16,358.16 = 3,508.93/x
  3. Step 3: Cross multiply
    10,903.63x = 16,358.16 × 3,508.93
  4. Step 4: Simplify right side
    10,903.63x = 57,399,638.37
  5. Step 5: Solve for x
    x = 57,399,638.37/10,903.63
  6. Step 6: Final answer
    x = 5,264.27

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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.