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Finding the Fourth Proportional to 5,878.98, 8,818.67 and 2,955.69

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Solution

The fourth proportional to 5,878.98, 8,818.67 and 2,955.69 is: 4,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.98 : 8,818.67 = 2,955.69 : x
  2. Step 2: Convert to fraction form
    5,878.98/8,818.67 = 2,955.69/x
  3. Step 3: Cross multiply
    5,878.98x = 8,818.67 × 2,955.69
  4. Step 4: Simplify right side
    5,878.98x = 26,065,262.12
  5. Step 5: Solve for x
    x = 26,065,262.12/5,878.98
  6. Step 6: Final answer
    x = 4,433.64

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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.