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Finding the Fourth Proportional to 22,710.34, 31,335.48 and 13,277.08

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Solution

The fourth proportional to 22,710.34, 31,335.48 and 13,277.08 is: 18,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710.34 : 31,335.48 = 13,277.08 : x
  2. Step 2: Convert to fraction form
    22,710.34/31,335.48 = 13,277.08/x
  3. Step 3: Cross multiply
    22,710.34x = 31,335.48 × 13,277.08
  4. Step 4: Simplify right side
    22,710.34x = 416,043,674.80
  5. Step 5: Solve for x
    x = 416,043,674.80/22,710.34
  6. Step 6: Final answer
    x = 18,319.57

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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.