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Finding the Fourth Proportional to 42,321.84, 58,407.78 and 24,422.77

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Solution

The fourth proportional to 42,321.84, 58,407.78 and 24,422.77 is: 33,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,321.84 : 58,407.78 = 24,422.77 : x
  2. Step 2: Convert to fraction form
    42,321.84/58,407.78 = 24,422.77/x
  3. Step 3: Cross multiply
    42,321.84x = 58,407.78 × 24,422.77
  4. Step 4: Simplify right side
    42,321.84x = 1,426,479,777.15
  5. Step 5: Solve for x
    x = 1,426,479,777.15/42,321.84
  6. Step 6: Final answer
    x = 33,705.52

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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.