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Finding the Fourth Proportional to 56,907.80, 85,313.50 and 23,607.08

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Solution

The fourth proportional to 56,907.80, 85,313.50 and 23,607.08 is: 35,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,907.80 : 85,313.50 = 23,607.08 : x
  2. Step 2: Convert to fraction form
    56,907.80/85,313.50 = 23,607.08/x
  3. Step 3: Cross multiply
    56,907.80x = 85,313.50 × 23,607.08
  4. Step 4: Simplify right side
    56,907.80x = 2,014,002,619.58
  5. Step 5: Solve for x
    x = 2,014,002,619.58/56,907.80
  6. Step 6: Final answer
    x = 35,390.63

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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.