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Finding the Fourth Proportional to 8,222.44, 12,335 and 4,526.40

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Solution

The fourth proportional to 8,222.44, 12,335 and 4,526.40 is: 6,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.44 : 12,335 = 4,526.40 : x
  2. Step 2: Convert to fraction form
    8,222.44/12,335 = 4,526.40/x
  3. Step 3: Cross multiply
    8,222.44x = 12,335 × 4,526.40
  4. Step 4: Simplify right side
    8,222.44x = 55,833,144.00
  5. Step 5: Solve for x
    x = 55,833,144.00/8,222.44
  6. Step 6: Final answer
    x = 6,790.34

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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.