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Finding the Fourth Proportional to 44,847.90, 67,238.90 and 21,490.74

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Solution

The fourth proportional to 44,847.90, 67,238.90 and 21,490.74 is: 32,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,847.90 : 67,238.90 = 21,490.74 : x
  2. Step 2: Convert to fraction form
    44,847.90/67,238.90 = 21,490.74/x
  3. Step 3: Cross multiply
    44,847.90x = 67,238.90 × 21,490.74
  4. Step 4: Simplify right side
    44,847.90x = 1,445,013,717.79
  5. Step 5: Solve for x
    x = 1,445,013,717.79/44,847.90
  6. Step 6: Final answer
    x = 32,220.32

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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.