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Finding the Fourth Proportional to 8,945.54, 13,352.90 and 8,295.02

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Solution

The fourth proportional to 8,945.54, 13,352.90 and 8,295.02 is: 12,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.54 : 13,352.90 = 8,295.02 : x
  2. Step 2: Convert to fraction form
    8,945.54/13,352.90 = 8,295.02/x
  3. Step 3: Cross multiply
    8,945.54x = 13,352.90 × 8,295.02
  4. Step 4: Simplify right side
    8,945.54x = 110,762,526.53
  5. Step 5: Solve for x
    x = 110,762,526.53/8,945.54
  6. Step 6: Final answer
    x = 12,381.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.