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Finding the Fourth Proportional to 12,562.84, 18,840.96 and 5,975.92

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Solution

The fourth proportional to 12,562.84, 18,840.96 and 5,975.92 is: 8,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.84 : 18,840.96 = 5,975.92 : x
  2. Step 2: Convert to fraction form
    12,562.84/18,840.96 = 5,975.92/x
  3. Step 3: Cross multiply
    12,562.84x = 18,840.96 × 5,975.92
  4. Step 4: Simplify right side
    12,562.84x = 112,592,069.68
  5. Step 5: Solve for x
    x = 112,592,069.68/12,562.84
  6. Step 6: Final answer
    x = 8,962.31

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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.