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Finding the Fourth Proportional to 6,510.22, 8,987.97 and 4,276

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Solution

The fourth proportional to 6,510.22, 8,987.97 and 4,276 is: 5,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.22 : 8,987.97 = 4,276 : x
  2. Step 2: Convert to fraction form
    6,510.22/8,987.97 = 4,276/x
  3. Step 3: Cross multiply
    6,510.22x = 8,987.97 × 4,276
  4. Step 4: Simplify right side
    6,510.22x = 38,432,559.72
  5. Step 5: Solve for x
    x = 38,432,559.72/6,510.22
  6. Step 6: Final answer
    x = 5,903.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.