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Finding the Fourth Proportional to 8,988.93, 13,483.89 and 2,749.91

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Solution

The fourth proportional to 8,988.93, 13,483.89 and 2,749.91 is: 4,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.93 : 13,483.89 = 2,749.91 : x
  2. Step 2: Convert to fraction form
    8,988.93/13,483.89 = 2,749.91/x
  3. Step 3: Cross multiply
    8,988.93x = 13,483.89 × 2,749.91
  4. Step 4: Simplify right side
    8,988.93x = 37,079,416.53
  5. Step 5: Solve for x
    x = 37,079,416.53/8,988.93
  6. Step 6: Final answer
    x = 4,125.01

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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.