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Finding the Fourth Proportional to 8,973.10, 13,465.10 and 3,354.86

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Solution

The fourth proportional to 8,973.10, 13,465.10 and 3,354.86 is: 5,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.10 : 13,465.10 = 3,354.86 : x
  2. Step 2: Convert to fraction form
    8,973.10/13,465.10 = 3,354.86/x
  3. Step 3: Cross multiply
    8,973.10x = 13,465.10 × 3,354.86
  4. Step 4: Simplify right side
    8,973.10x = 45,173,548.56
  5. Step 5: Solve for x
    x = 45,173,548.56/8,973.10
  6. Step 6: Final answer
    x = 5,034.33

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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.