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Finding the Fourth Proportional to 11,880.01, 17,823.05 and 3,560

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Solution

The fourth proportional to 11,880.01, 17,823.05 and 3,560 is: 5,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.01 : 17,823.05 = 3,560 : x
  2. Step 2: Convert to fraction form
    11,880.01/17,823.05 = 3,560/x
  3. Step 3: Cross multiply
    11,880.01x = 17,823.05 × 3,560
  4. Step 4: Simplify right side
    11,880.01x = 63,450,040.20
  5. Step 5: Solve for x
    x = 63,450,040.20/11,880.01
  6. Step 6: Final answer
    x = 5,340.91

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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.