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Finding the Fourth Proportional to 8,987.50, 13,483.91 and 4,608.03

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Solution

The fourth proportional to 8,987.50, 13,483.91 and 4,608.03 is: 6,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.50 : 13,483.91 = 4,608.03 : x
  2. Step 2: Convert to fraction form
    8,987.50/13,483.91 = 4,608.03/x
  3. Step 3: Cross multiply
    8,987.50x = 13,483.91 × 4,608.03
  4. Step 4: Simplify right side
    8,987.50x = 62,134,261.80
  5. Step 5: Solve for x
    x = 62,134,261.80/8,987.50
  6. Step 6: Final answer
    x = 6,913.41

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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.