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Finding the Fourth Proportional to 5,986.18, 8,980.80 and 5,887

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Solution

The fourth proportional to 5,986.18, 8,980.80 and 5,887 is: 8,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.18 : 8,980.80 = 5,887 : x
  2. Step 2: Convert to fraction form
    5,986.18/8,980.80 = 5,887/x
  3. Step 3: Cross multiply
    5,986.18x = 8,980.80 × 5,887
  4. Step 4: Simplify right side
    5,986.18x = 52,869,969.60
  5. Step 5: Solve for x
    x = 52,869,969.60/5,986.18
  6. Step 6: Final answer
    x = 8,832.00

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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.