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Finding the Fourth Proportional to 62,289.87, 85,962.84 and 35,075.31

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Solution

The fourth proportional to 62,289.87, 85,962.84 and 35,075.31 is: 48,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,289.87 : 85,962.84 = 35,075.31 : x
  2. Step 2: Convert to fraction form
    62,289.87/85,962.84 = 35,075.31/x
  3. Step 3: Cross multiply
    62,289.87x = 85,962.84 × 35,075.31
  4. Step 4: Simplify right side
    62,289.87x = 3,015,173,261.48
  5. Step 5: Solve for x
    x = 3,015,173,261.48/62,289.87
  6. Step 6: Final answer
    x = 48,405.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.