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Finding the Fourth Proportional to 8,973.30, 13,460.02 and 3,425.16

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Solution

The fourth proportional to 8,973.30, 13,460.02 and 3,425.16 is: 5,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.30 : 13,460.02 = 3,425.16 : x
  2. Step 2: Convert to fraction form
    8,973.30/13,460.02 = 3,425.16/x
  3. Step 3: Cross multiply
    8,973.30x = 13,460.02 × 3,425.16
  4. Step 4: Simplify right side
    8,973.30x = 46,102,722.10
  5. Step 5: Solve for x
    x = 46,102,722.10/8,973.30
  6. Step 6: Final answer
    x = 5,137.77

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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.