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Finding the Fourth Proportional to 8,967.45, 13,445.10 and 4,581.30

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Solution

The fourth proportional to 8,967.45, 13,445.10 and 4,581.30 is: 6,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.45 : 13,445.10 = 4,581.30 : x
  2. Step 2: Convert to fraction form
    8,967.45/13,445.10 = 4,581.30/x
  3. Step 3: Cross multiply
    8,967.45x = 13,445.10 × 4,581.30
  4. Step 4: Simplify right side
    8,967.45x = 61,596,036.63
  5. Step 5: Solve for x
    x = 61,596,036.63/8,967.45
  6. Step 6: Final answer
    x = 6,868.85

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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.