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Finding the Fourth Proportional to 22,059.64, 33,089.45 and 8,912.01

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Solution

The fourth proportional to 22,059.64, 33,089.45 and 8,912.01 is: 13,368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059.64 : 33,089.45 = 8,912.01 : x
  2. Step 2: Convert to fraction form
    22,059.64/33,089.45 = 8,912.01/x
  3. Step 3: Cross multiply
    22,059.64x = 33,089.45 × 8,912.01
  4. Step 4: Simplify right side
    22,059.64x = 294,893,402.69
  5. Step 5: Solve for x
    x = 294,893,402.69/22,059.64
  6. Step 6: Final answer
    x = 13,368.01

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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.