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Finding the Fourth Proportional to 9,295.03, 12,852.37 and 9,144.80

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Solution

The fourth proportional to 9,295.03, 12,852.37 and 9,144.80 is: 12,644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.03 : 12,852.37 = 9,144.80 : x
  2. Step 2: Convert to fraction form
    9,295.03/12,852.37 = 9,144.80/x
  3. Step 3: Cross multiply
    9,295.03x = 12,852.37 × 9,144.80
  4. Step 4: Simplify right side
    9,295.03x = 117,532,353.18
  5. Step 5: Solve for x
    x = 117,532,353.18/9,295.03
  6. Step 6: Final answer
    x = 12,644.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.