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Finding the Fourth Proportional to 6,877.95, 10,316.96 and 2,928.65

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Solution

The fourth proportional to 6,877.95, 10,316.96 and 2,928.65 is: 4,392.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.95 : 10,316.96 = 2,928.65 : x
  2. Step 2: Convert to fraction form
    6,877.95/10,316.96 = 2,928.65/x
  3. Step 3: Cross multiply
    6,877.95x = 10,316.96 × 2,928.65
  4. Step 4: Simplify right side
    6,877.95x = 30,214,764.90
  5. Step 5: Solve for x
    x = 30,214,764.90/6,877.95
  6. Step 6: Final answer
    x = 4,392.99

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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.