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Finding the Fourth Proportional to 22,312.31, 33,466.64 and 7,520.90

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Solution

The fourth proportional to 22,312.31, 33,466.64 and 7,520.90 is: 11,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.31 : 33,466.64 = 7,520.90 : x
  2. Step 2: Convert to fraction form
    22,312.31/33,466.64 = 7,520.90/x
  3. Step 3: Cross multiply
    22,312.31x = 33,466.64 × 7,520.90
  4. Step 4: Simplify right side
    22,312.31x = 251,699,047.84
  5. Step 5: Solve for x
    x = 251,699,047.84/22,312.31
  6. Step 6: Final answer
    x = 11,280.73

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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.