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Finding the Fourth Proportional to 35,277.60, 48,681.60 and 19,361.88

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Solution

The fourth proportional to 35,277.60, 48,681.60 and 19,361.88 is: 26,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,277.60 : 48,681.60 = 19,361.88 : x
  2. Step 2: Convert to fraction form
    35,277.60/48,681.60 = 19,361.88/x
  3. Step 3: Cross multiply
    35,277.60x = 48,681.60 × 19,361.88
  4. Step 4: Simplify right side
    35,277.60x = 942,567,297.41
  5. Step 5: Solve for x
    x = 942,567,297.41/35,277.60
  6. Step 6: Final answer
    x = 26,718.58

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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.