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Finding the Fourth Proportional to 12,004.75, 18,013.65 and 5,848.75

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Solution

The fourth proportional to 12,004.75, 18,013.65 and 5,848.75 is: 8,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.75 : 18,013.65 = 5,848.75 : x
  2. Step 2: Convert to fraction form
    12,004.75/18,013.65 = 5,848.75/x
  3. Step 3: Cross multiply
    12,004.75x = 18,013.65 × 5,848.75
  4. Step 4: Simplify right side
    12,004.75x = 105,357,335.44
  5. Step 5: Solve for x
    x = 105,357,335.44/12,004.75
  6. Step 6: Final answer
    x = 8,776.30

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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.