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Finding the Fourth Proportional to 9,999.83, 14,999.54 and 2,604.12

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Solution

The fourth proportional to 9,999.83, 14,999.54 and 2,604.12 is: 3,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.83 : 14,999.54 = 2,604.12 : x
  2. Step 2: Convert to fraction form
    9,999.83/14,999.54 = 2,604.12/x
  3. Step 3: Cross multiply
    9,999.83x = 14,999.54 × 2,604.12
  4. Step 4: Simplify right side
    9,999.83x = 39,060,636.35
  5. Step 5: Solve for x
    x = 39,060,636.35/9,999.83
  6. Step 6: Final answer
    x = 3,906.13

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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.