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Finding the Fourth Proportional to 1,888.08, 2,832.48 and 589.28

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Solution

The fourth proportional to 1,888.08, 2,832.48 and 589.28 is: 884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.08 : 2,832.48 = 589.28 : x
  2. Step 2: Convert to fraction form
    1,888.08/2,832.48 = 589.28/x
  3. Step 3: Cross multiply
    1,888.08x = 2,832.48 × 589.28
  4. Step 4: Simplify right side
    1,888.08x = 1,669,123.81
  5. Step 5: Solve for x
    x = 1,669,123.81/1,888.08
  6. Step 6: Final answer
    x = 884.03

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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.