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Finding the Fourth Proportional to 12,000.64, 17,999.70 and 3,235.02

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Solution

The fourth proportional to 12,000.64, 17,999.70 and 3,235.02 is: 4,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.64 : 17,999.70 = 3,235.02 : x
  2. Step 2: Convert to fraction form
    12,000.64/17,999.70 = 3,235.02/x
  3. Step 3: Cross multiply
    12,000.64x = 17,999.70 × 3,235.02
  4. Step 4: Simplify right side
    12,000.64x = 58,229,389.49
  5. Step 5: Solve for x
    x = 58,229,389.49/12,000.64
  6. Step 6: Final answer
    x = 4,852.19

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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.