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Finding the Fourth Proportional to 5,980.94, 8,916.04 and 5,886.20

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Solution

The fourth proportional to 5,980.94, 8,916.04 and 5,886.20 is: 8,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.94 : 8,916.04 = 5,886.20 : x
  2. Step 2: Convert to fraction form
    5,980.94/8,916.04 = 5,886.20/x
  3. Step 3: Cross multiply
    5,980.94x = 8,916.04 × 5,886.20
  4. Step 4: Simplify right side
    5,980.94x = 52,481,594.65
  5. Step 5: Solve for x
    x = 52,481,594.65/5,980.94
  6. Step 6: Final answer
    x = 8,774.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.