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Finding the Fourth Proportional to 10,893.63, 16,319.04 and 7,184.54

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Solution

The fourth proportional to 10,893.63, 16,319.04 and 7,184.54 is: 10,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.63 : 16,319.04 = 7,184.54 : x
  2. Step 2: Convert to fraction form
    10,893.63/16,319.04 = 7,184.54/x
  3. Step 3: Cross multiply
    10,893.63x = 16,319.04 × 7,184.54
  4. Step 4: Simplify right side
    10,893.63x = 117,244,809.50
  5. Step 5: Solve for x
    x = 117,244,809.50/10,893.63
  6. Step 6: Final answer
    x = 10,762.69

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1.5x scale

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.