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Finding the Fourth Proportional to 5,888.16, 8,826.75 and 1,989.86

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Solution

The fourth proportional to 5,888.16, 8,826.75 and 1,989.86 is: 2,982.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.16 : 8,826.75 = 1,989.86 : x
  2. Step 2: Convert to fraction form
    5,888.16/8,826.75 = 1,989.86/x
  3. Step 3: Cross multiply
    5,888.16x = 8,826.75 × 1,989.86
  4. Step 4: Simplify right side
    5,888.16x = 17,563,952.62
  5. Step 5: Solve for x
    x = 17,563,952.62/5,888.16
  6. Step 6: Final answer
    x = 2,982.93

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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.