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Finding the Fourth Proportional to 5,886.28, 8,829.36 and 1,782.28

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Solution

The fourth proportional to 5,886.28, 8,829.36 and 1,782.28 is: 2,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.28 : 8,829.36 = 1,782.28 : x
  2. Step 2: Convert to fraction form
    5,886.28/8,829.36 = 1,782.28/x
  3. Step 3: Cross multiply
    5,886.28x = 8,829.36 × 1,782.28
  4. Step 4: Simplify right side
    5,886.28x = 15,736,391.74
  5. Step 5: Solve for x
    x = 15,736,391.74/5,886.28
  6. Step 6: Final answer
    x = 2,673.40

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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.