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Finding the Fourth Proportional to 58,692.77, 88,038.29 and 40,664.36

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Solution

The fourth proportional to 58,692.77, 88,038.29 and 40,664.36 is: 60,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,692.77 : 88,038.29 = 40,664.36 : x
  2. Step 2: Convert to fraction form
    58,692.77/88,038.29 = 40,664.36/x
  3. Step 3: Cross multiply
    58,692.77x = 88,038.29 × 40,664.36
  4. Step 4: Simplify right side
    58,692.77x = 3,580,021,040.10
  5. Step 5: Solve for x
    x = 3,580,021,040.10/58,692.77
  6. Step 6: Final answer
    x = 60,995.95

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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.