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Finding the Fourth Proportional to 59,424.75, 89,075.70 and 19,968.57

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Solution

The fourth proportional to 59,424.75, 89,075.70 and 19,968.57 is: 29,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,424.75 : 89,075.70 = 19,968.57 : x
  2. Step 2: Convert to fraction form
    59,424.75/89,075.70 = 19,968.57/x
  3. Step 3: Cross multiply
    59,424.75x = 89,075.70 × 19,968.57
  4. Step 4: Simplify right side
    59,424.75x = 1,778,714,350.75
  5. Step 5: Solve for x
    x = 1,778,714,350.75/59,424.75
  6. Step 6: Final answer
    x = 29,932.21

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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.