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Finding the Fourth Proportional to 58,787.66, 88,184.82 and 18,810.16

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Solution

The fourth proportional to 58,787.66, 88,184.82 and 18,810.16 is: 28,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,787.66 : 88,184.82 = 18,810.16 : x
  2. Step 2: Convert to fraction form
    58,787.66/88,184.82 = 18,810.16/x
  3. Step 3: Cross multiply
    58,787.66x = 88,184.82 × 18,810.16
  4. Step 4: Simplify right side
    58,787.66x = 1,658,770,573.77
  5. Step 5: Solve for x
    x = 1,658,770,573.77/58,787.66
  6. Step 6: Final answer
    x = 28,216.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.