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Finding the Fourth Proportional to 5,809.98, 8,703.63 and 4,642.41

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Solution

The fourth proportional to 5,809.98, 8,703.63 and 4,642.41 is: 6,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.98 : 8,703.63 = 4,642.41 : x
  2. Step 2: Convert to fraction form
    5,809.98/8,703.63 = 4,642.41/x
  3. Step 3: Cross multiply
    5,809.98x = 8,703.63 × 4,642.41
  4. Step 4: Simplify right side
    5,809.98x = 40,405,818.95
  5. Step 5: Solve for x
    x = 40,405,818.95/5,809.98
  6. Step 6: Final answer
    x = 6,954.55

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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.