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Finding the Fourth Proportional to 58,779.52, 81,116.80 and 33,629.44

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Solution

The fourth proportional to 58,779.52, 81,116.80 and 33,629.44 is: 46,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,779.52 : 81,116.80 = 33,629.44 : x
  2. Step 2: Convert to fraction form
    58,779.52/81,116.80 = 33,629.44/x
  3. Step 3: Cross multiply
    58,779.52x = 81,116.80 × 33,629.44
  4. Step 4: Simplify right side
    58,779.52x = 2,727,912,558.59
  5. Step 5: Solve for x
    x = 2,727,912,558.59/58,779.52
  6. Step 6: Final answer
    x = 46,409.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.