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Finding the Fourth Proportional to 58,779.97, 81,121.37 and 33,290.80

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Solution

The fourth proportional to 58,779.97, 81,121.37 and 33,290.80 is: 45,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,779.97 : 81,121.37 = 33,290.80 : x
  2. Step 2: Convert to fraction form
    58,779.97/81,121.37 = 33,290.80/x
  3. Step 3: Cross multiply
    58,779.97x = 81,121.37 × 33,290.80
  4. Step 4: Simplify right side
    58,779.97x = 2,700,595,304.40
  5. Step 5: Solve for x
    x = 2,700,595,304.40/58,779.97
  6. Step 6: Final answer
    x = 45,944.14

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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.