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Finding the Fourth Proportional to 69,779.26, 96,292.69 and 37,948.20

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Solution

The fourth proportional to 69,779.26, 96,292.69 and 37,948.20 is: 52,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,779.26 : 96,292.69 = 37,948.20 : x
  2. Step 2: Convert to fraction form
    69,779.26/96,292.69 = 37,948.20/x
  3. Step 3: Cross multiply
    69,779.26x = 96,292.69 × 37,948.20
  4. Step 4: Simplify right side
    69,779.26x = 3,654,134,258.66
  5. Step 5: Solve for x
    x = 3,654,134,258.66/69,779.26
  6. Step 6: Final answer
    x = 52,367.05

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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.