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Finding the Fourth Proportional to 35,677.76, 49,235.72 and 19,762.47

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Solution

The fourth proportional to 35,677.76, 49,235.72 and 19,762.47 is: 27,272.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,677.76 : 49,235.72 = 19,762.47 : x
  2. Step 2: Convert to fraction form
    35,677.76/49,235.72 = 19,762.47/x
  3. Step 3: Cross multiply
    35,677.76x = 49,235.72 × 19,762.47
  4. Step 4: Simplify right side
    35,677.76x = 973,019,340.62
  5. Step 5: Solve for x
    x = 973,019,340.62/35,677.76
  6. Step 6: Final answer
    x = 27,272.44

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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.