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Finding the Fourth Proportional to 66,779.44, 92,155.62 and 36,971.44

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Solution

The fourth proportional to 66,779.44, 92,155.62 and 36,971.44 is: 51,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,779.44 : 92,155.62 = 36,971.44 : x
  2. Step 2: Convert to fraction form
    66,779.44/92,155.62 = 36,971.44/x
  3. Step 3: Cross multiply
    66,779.44x = 92,155.62 × 36,971.44
  4. Step 4: Simplify right side
    66,779.44x = 3,407,125,883.75
  5. Step 5: Solve for x
    x = 3,407,125,883.75/66,779.44
  6. Step 6: Final answer
    x = 51,020.58

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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.