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Finding the Fourth Proportional to 12,007.44, 17,987.01 and 5,985.35

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Solution

The fourth proportional to 12,007.44, 17,987.01 and 5,985.35 is: 8,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.44 : 17,987.01 = 5,985.35 : x
  2. Step 2: Convert to fraction form
    12,007.44/17,987.01 = 5,985.35/x
  3. Step 3: Cross multiply
    12,007.44x = 17,987.01 × 5,985.35
  4. Step 4: Simplify right side
    12,007.44x = 107,658,460.37
  5. Step 5: Solve for x
    x = 107,658,460.37/12,007.44
  6. Step 6: Final answer
    x = 8,965.98

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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.