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Finding the Fourth Proportional to 69,808.22, 96,368.80 and 42,973.73

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Solution

The fourth proportional to 69,808.22, 96,368.80 and 42,973.73 is: 59,324.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,808.22 : 96,368.80 = 42,973.73 : x
  2. Step 2: Convert to fraction form
    69,808.22/96,368.80 = 42,973.73/x
  3. Step 3: Cross multiply
    69,808.22x = 96,368.80 × 42,973.73
  4. Step 4: Simplify right side
    69,808.22x = 4,141,326,791.62
  5. Step 5: Solve for x
    x = 4,141,326,791.62/69,808.22
  6. Step 6: Final answer
    x = 59,324.34

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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.