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Finding the Fourth Proportional to 5,851.96, 8,779.98 and 2,929.60

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Solution

The fourth proportional to 5,851.96, 8,779.98 and 2,929.60 is: 4,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.96 : 8,779.98 = 2,929.60 : x
  2. Step 2: Convert to fraction form
    5,851.96/8,779.98 = 2,929.60/x
  3. Step 3: Cross multiply
    5,851.96x = 8,779.98 × 2,929.60
  4. Step 4: Simplify right side
    5,851.96x = 25,721,829.41
  5. Step 5: Solve for x
    x = 25,721,829.41/5,851.96
  6. Step 6: Final answer
    x = 4,395.42

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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.