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Finding the Fourth Proportional to 5,999.70, 8,987.07 and 5,072.01

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Solution

The fourth proportional to 5,999.70, 8,987.07 and 5,072.01 is: 7,597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.70 : 8,987.07 = 5,072.01 : x
  2. Step 2: Convert to fraction form
    5,999.70/8,987.07 = 5,072.01/x
  3. Step 3: Cross multiply
    5,999.70x = 8,987.07 × 5,072.01
  4. Step 4: Simplify right side
    5,999.70x = 45,582,508.91
  5. Step 5: Solve for x
    x = 45,582,508.91/5,999.70
  6. Step 6: Final answer
    x = 7,597.46

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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.