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Finding the Fourth Proportional to 3,188.07, 4,750.06 and 3,009.01

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Solution

The fourth proportional to 3,188.07, 4,750.06 and 3,009.01 is: 4,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.07 : 4,750.06 = 3,009.01 : x
  2. Step 2: Convert to fraction form
    3,188.07/4,750.06 = 3,009.01/x
  3. Step 3: Cross multiply
    3,188.07x = 4,750.06 × 3,009.01
  4. Step 4: Simplify right side
    3,188.07x = 14,292,974.87
  5. Step 5: Solve for x
    x = 14,292,974.87/3,188.07
  6. Step 6: Final answer
    x = 4,483.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.