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Finding the Fourth Proportional to 28,599, 39,469.05 and 16,026.18

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Solution

The fourth proportional to 28,599, 39,469.05 and 16,026.18 is: 22,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599 : 39,469.05 = 16,026.18 : x
  2. Step 2: Convert to fraction form
    28,599/39,469.05 = 16,026.18/x
  3. Step 3: Cross multiply
    28,599x = 39,469.05 × 16,026.18
  4. Step 4: Simplify right side
    28,599x = 632,538,099.73
  5. Step 5: Solve for x
    x = 632,538,099.73/28,599
  6. Step 6: Final answer
    x = 22,117.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.