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Finding the Fourth Proportional to 5,888.08, 8,832.53 and 1,991.17

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Solution

The fourth proportional to 5,888.08, 8,832.53 and 1,991.17 is: 2,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.08 : 8,832.53 = 1,991.17 : x
  2. Step 2: Convert to fraction form
    5,888.08/8,832.53 = 1,991.17/x
  3. Step 3: Cross multiply
    5,888.08x = 8,832.53 × 1,991.17
  4. Step 4: Simplify right side
    5,888.08x = 17,587,068.76
  5. Step 5: Solve for x
    x = 17,587,068.76/5,888.08
  6. Step 6: Final answer
    x = 2,986.89

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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.