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Finding the Fourth Proportional to 23,649.61, 32,636.02 and 12,894.60

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Solution

The fourth proportional to 23,649.61, 32,636.02 and 12,894.60 is: 17,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,649.61 : 32,636.02 = 12,894.60 : x
  2. Step 2: Convert to fraction form
    23,649.61/32,636.02 = 12,894.60/x
  3. Step 3: Cross multiply
    23,649.61x = 32,636.02 × 12,894.60
  4. Step 4: Simplify right side
    23,649.61x = 420,828,423.49
  5. Step 5: Solve for x
    x = 420,828,423.49/23,649.61
  6. Step 6: Final answer
    x = 17,794.31

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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.