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Finding the Fourth Proportional to 23,994.90, 35,946.45 and 12,897.90

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Solution

The fourth proportional to 23,994.90, 35,946.45 and 12,897.90 is: 19,322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,994.90 : 35,946.45 = 12,897.90 : x
  2. Step 2: Convert to fraction form
    23,994.90/35,946.45 = 12,897.90/x
  3. Step 3: Cross multiply
    23,994.90x = 35,946.45 × 12,897.90
  4. Step 4: Simplify right side
    23,994.90x = 463,633,717.46
  5. Step 5: Solve for x
    x = 463,633,717.46/23,994.90
  6. Step 6: Final answer
    x = 19,322.18

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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.