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Finding the Fourth Proportional to 43,852.86, 65,779.29 and 17,539.20

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Solution

The fourth proportional to 43,852.86, 65,779.29 and 17,539.20 is: 26,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,852.86 : 65,779.29 = 17,539.20 : x
  2. Step 2: Convert to fraction form
    43,852.86/65,779.29 = 17,539.20/x
  3. Step 3: Cross multiply
    43,852.86x = 65,779.29 × 17,539.20
  4. Step 4: Simplify right side
    43,852.86x = 1,153,716,123.17
  5. Step 5: Solve for x
    x = 1,153,716,123.17/43,852.86
  6. Step 6: Final answer
    x = 26,308.80

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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.