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Finding the Fourth Proportional to 9,094.22, 13,639.80 and 2,938.22

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Solution

The fourth proportional to 9,094.22, 13,639.80 and 2,938.22 is: 4,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,094.22 : 13,639.80 = 2,938.22 : x
  2. Step 2: Convert to fraction form
    9,094.22/13,639.80 = 2,938.22/x
  3. Step 3: Cross multiply
    9,094.22x = 13,639.80 × 2,938.22
  4. Step 4: Simplify right side
    9,094.22x = 40,076,733.16
  5. Step 5: Solve for x
    x = 40,076,733.16/9,094.22
  6. Step 6: Final answer
    x = 4,406.84

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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.