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Finding the Fourth Proportional to 38,994, 58,497.08 and 12,692.52

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Solution

The fourth proportional to 38,994, 58,497.08 and 12,692.52 is: 19,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,994 : 58,497.08 = 12,692.52 : x
  2. Step 2: Convert to fraction form
    38,994/58,497.08 = 12,692.52/x
  3. Step 3: Cross multiply
    38,994x = 58,497.08 × 12,692.52
  4. Step 4: Simplify right side
    38,994x = 742,475,357.84
  5. Step 5: Solve for x
    x = 742,475,357.84/38,994
  6. Step 6: Final answer
    x = 19,040.76

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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.