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Finding the Fourth Proportional to 57,907.50, 86,861.25 and 16,355.58

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Solution

The fourth proportional to 57,907.50, 86,861.25 and 16,355.58 is: 24,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,907.50 : 86,861.25 = 16,355.58 : x
  2. Step 2: Convert to fraction form
    57,907.50/86,861.25 = 16,355.58/x
  3. Step 3: Cross multiply
    57,907.50x = 86,861.25 × 16,355.58
  4. Step 4: Simplify right side
    57,907.50x = 1,420,666,123.28
  5. Step 5: Solve for x
    x = 1,420,666,123.28/57,907.50
  6. Step 6: Final answer
    x = 24,533.37

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1.5x scale

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.