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Finding the Fourth Proportional to 12,014.51, 18,000.16 and 7,332.08

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Solution

The fourth proportional to 12,014.51, 18,000.16 and 7,332.08 is: 10,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.51 : 18,000.16 = 7,332.08 : x
  2. Step 2: Convert to fraction form
    12,014.51/18,000.16 = 7,332.08/x
  3. Step 3: Cross multiply
    12,014.51x = 18,000.16 × 7,332.08
  4. Step 4: Simplify right side
    12,014.51x = 131,978,504.80
  5. Step 5: Solve for x
    x = 131,978,504.80/12,014.51
  6. Step 6: Final answer
    x = 10,984.93

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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.