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Finding the Fourth Proportional to 31,010.95, 42,795.55 and 23,235.99

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Solution

The fourth proportional to 31,010.95, 42,795.55 and 23,235.99 is: 32,066.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.95 : 42,795.55 = 23,235.99 : x
  2. Step 2: Convert to fraction form
    31,010.95/42,795.55 = 23,235.99/x
  3. Step 3: Cross multiply
    31,010.95x = 42,795.55 × 23,235.99
  4. Step 4: Simplify right side
    31,010.95x = 994,396,855.66
  5. Step 5: Solve for x
    x = 994,396,855.66/31,010.95
  6. Step 6: Final answer
    x = 32,066.00

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