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Finding the Fourth Proportional to 5,990.50, 8,987.52 and 3,070.86

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Solution

The fourth proportional to 5,990.50, 8,987.52 and 3,070.86 is: 4,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.50 : 8,987.52 = 3,070.86 : x
  2. Step 2: Convert to fraction form
    5,990.50/8,987.52 = 3,070.86/x
  3. Step 3: Cross multiply
    5,990.50x = 8,987.52 × 3,070.86
  4. Step 4: Simplify right side
    5,990.50x = 27,599,415.67
  5. Step 5: Solve for x
    x = 27,599,415.67/5,990.50
  6. Step 6: Final answer
    x = 4,607.20

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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.