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Finding the Fourth Proportional to 46,998.97, 70,482.05 and 18,911.74

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Solution

The fourth proportional to 46,998.97, 70,482.05 and 18,911.74 is: 28,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,998.97 : 70,482.05 = 18,911.74 : x
  2. Step 2: Convert to fraction form
    46,998.97/70,482.05 = 18,911.74/x
  3. Step 3: Cross multiply
    46,998.97x = 70,482.05 × 18,911.74
  4. Step 4: Simplify right side
    46,998.97x = 1,332,938,204.27
  5. Step 5: Solve for x
    x = 1,332,938,204.27/46,998.97
  6. Step 6: Final answer
    x = 28,361.01

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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.