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Finding the Fourth Proportional to 23,649.88, 32,636.92 and 13,039.30

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Solution

The fourth proportional to 23,649.88, 32,636.92 and 13,039.30 is: 17,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,649.88 : 32,636.92 = 13,039.30 : x
  2. Step 2: Convert to fraction form
    23,649.88/32,636.92 = 13,039.30/x
  3. Step 3: Cross multiply
    23,649.88x = 32,636.92 × 13,039.30
  4. Step 4: Simplify right side
    23,649.88x = 425,562,590.96
  5. Step 5: Solve for x
    x = 425,562,590.96/23,649.88
  6. Step 6: Final answer
    x = 17,994.28

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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.