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Finding the Fourth Proportional to 44,000.60, 66,000.90 and 21,817.40

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Solution

The fourth proportional to 44,000.60, 66,000.90 and 21,817.40 is: 32,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,000.60 : 66,000.90 = 21,817.40 : x
  2. Step 2: Convert to fraction form
    44,000.60/66,000.90 = 21,817.40/x
  3. Step 3: Cross multiply
    44,000.60x = 66,000.90 × 21,817.40
  4. Step 4: Simplify right side
    44,000.60x = 1,439,968,035.66
  5. Step 5: Solve for x
    x = 1,439,968,035.66/44,000.60
  6. Step 6: Final answer
    x = 32,726.10

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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.