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Finding the Fourth Proportional to 5,878.10, 8,817.12 and 2,955.69

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Solution

The fourth proportional to 5,878.10, 8,817.12 and 2,955.69 is: 4,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.10 : 8,817.12 = 2,955.69 : x
  2. Step 2: Convert to fraction form
    5,878.10/8,817.12 = 2,955.69/x
  3. Step 3: Cross multiply
    5,878.10x = 8,817.12 × 2,955.69
  4. Step 4: Simplify right side
    5,878.10x = 26,060,673.41
  5. Step 5: Solve for x
    x = 26,060,673.41/5,878.10
  6. Step 6: Final answer
    x = 4,433.52

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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.