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Finding the Fourth Proportional to 8,592.80, 12,893.99 and 4,643.98

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Solution

The fourth proportional to 8,592.80, 12,893.99 and 4,643.98 is: 6,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.80 : 12,893.99 = 4,643.98 : x
  2. Step 2: Convert to fraction form
    8,592.80/12,893.99 = 4,643.98/x
  3. Step 3: Cross multiply
    8,592.80x = 12,893.99 × 4,643.98
  4. Step 4: Simplify right side
    8,592.80x = 59,879,376.23
  5. Step 5: Solve for x
    x = 59,879,376.23/8,592.80
  6. Step 6: Final answer
    x = 6,968.56

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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.