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Finding the Fourth Proportional to 46,994.18, 70,487.53 and 18,894.42

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Solution

The fourth proportional to 46,994.18, 70,487.53 and 18,894.42 is: 28,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,994.18 : 70,487.53 = 18,894.42 : x
  2. Step 2: Convert to fraction form
    46,994.18/70,487.53 = 18,894.42/x
  3. Step 3: Cross multiply
    46,994.18x = 70,487.53 × 18,894.42
  4. Step 4: Simplify right side
    46,994.18x = 1,331,820,949.35
  5. Step 5: Solve for x
    x = 1,331,820,949.35/46,994.18
  6. Step 6: Final answer
    x = 28,340.13

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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.