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Finding the Fourth Proportional to 8,365.41, 12,537.72 and 7,322.94

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Solution

The fourth proportional to 8,365.41, 12,537.72 and 7,322.94 is: 10,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.41 : 12,537.72 = 7,322.94 : x
  2. Step 2: Convert to fraction form
    8,365.41/12,537.72 = 7,322.94/x
  3. Step 3: Cross multiply
    8,365.41x = 12,537.72 × 7,322.94
  4. Step 4: Simplify right side
    8,365.41x = 91,812,971.30
  5. Step 5: Solve for x
    x = 91,812,971.30/8,365.41
  6. Step 6: Final answer
    x = 10,975.31

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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.