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Finding the Fourth Proportional to 12,000.51, 17,993.03 and 4,985.35

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Solution

The fourth proportional to 12,000.51, 17,993.03 and 4,985.35 is: 7,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.51 : 17,993.03 = 4,985.35 : x
  2. Step 2: Convert to fraction form
    12,000.51/17,993.03 = 4,985.35/x
  3. Step 3: Cross multiply
    12,000.51x = 17,993.03 × 4,985.35
  4. Step 4: Simplify right side
    12,000.51x = 89,701,568.37
  5. Step 5: Solve for x
    x = 89,701,568.37/12,000.51
  6. Step 6: Final answer
    x = 7,474.82

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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.