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Finding the Fourth Proportional to 1,886.58, 2,829.87 and 588

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Solution

The fourth proportional to 1,886.58, 2,829.87 and 588 is: 882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.58 : 2,829.87 = 588 : x
  2. Step 2: Convert to fraction form
    1,886.58/2,829.87 = 588/x
  3. Step 3: Cross multiply
    1,886.58x = 2,829.87 × 588
  4. Step 4: Simplify right side
    1,886.58x = 1,663,963.56
  5. Step 5: Solve for x
    x = 1,663,963.56/1,886.58
  6. Step 6: Final answer
    x = 882.00

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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.