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Finding the Fourth Proportional to 47,649.25, 65,756.27 and 26,428.57

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Solution

The fourth proportional to 47,649.25, 65,756.27 and 26,428.57 is: 36,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.25 : 65,756.27 = 26,428.57 : x
  2. Step 2: Convert to fraction form
    47,649.25/65,756.27 = 26,428.57/x
  3. Step 3: Cross multiply
    47,649.25x = 65,756.27 × 26,428.57
  4. Step 4: Simplify right side
    47,649.25x = 1,737,844,184.63
  5. Step 5: Solve for x
    x = 1,737,844,184.63/47,649.25
  6. Step 6: Final answer
    x = 36,471.60

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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.