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Finding the Fourth Proportional to 46,843.80, 70,241.40 and 17,246.40

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Solution

The fourth proportional to 46,843.80, 70,241.40 and 17,246.40 is: 25,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,843.80 : 70,241.40 = 17,246.40 : x
  2. Step 2: Convert to fraction form
    46,843.80/70,241.40 = 17,246.40/x
  3. Step 3: Cross multiply
    46,843.80x = 70,241.40 × 17,246.40
  4. Step 4: Simplify right side
    46,843.80x = 1,211,411,280.96
  5. Step 5: Solve for x
    x = 1,211,411,280.96/46,843.80
  6. Step 6: Final answer
    x = 25,860.65

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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.