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Finding the Fourth Proportional to 45,895.37, 68,830.51 and 12,607.51

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Solution

The fourth proportional to 45,895.37, 68,830.51 and 12,607.51 is: 18,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,895.37 : 68,830.51 = 12,607.51 : x
  2. Step 2: Convert to fraction form
    45,895.37/68,830.51 = 12,607.51/x
  3. Step 3: Cross multiply
    45,895.37x = 68,830.51 × 12,607.51
  4. Step 4: Simplify right side
    45,895.37x = 867,781,343.13
  5. Step 5: Solve for x
    x = 867,781,343.13/45,895.37
  6. Step 6: Final answer
    x = 18,907.82

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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.