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Finding the Fourth Proportional to 5,938.35, 8,907.45 and 3,488.70

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Solution

The fourth proportional to 5,938.35, 8,907.45 and 3,488.70 is: 5,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.35 : 8,907.45 = 3,488.70 : x
  2. Step 2: Convert to fraction form
    5,938.35/8,907.45 = 3,488.70/x
  3. Step 3: Cross multiply
    5,938.35x = 8,907.45 × 3,488.70
  4. Step 4: Simplify right side
    5,938.35x = 31,075,441.14
  5. Step 5: Solve for x
    x = 31,075,441.14/5,938.35
  6. Step 6: Final answer
    x = 5,233.01

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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.