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Finding the Fourth Proportional to 1,888.53, 2,827.98 and 1,479.81

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Solution

The fourth proportional to 1,888.53, 2,827.98 and 1,479.81 is: 2,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.53 : 2,827.98 = 1,479.81 : x
  2. Step 2: Convert to fraction form
    1,888.53/2,827.98 = 1,479.81/x
  3. Step 3: Cross multiply
    1,888.53x = 2,827.98 × 1,479.81
  4. Step 4: Simplify right side
    1,888.53x = 4,184,873.08
  5. Step 5: Solve for x
    x = 4,184,873.08/1,888.53
  6. Step 6: Final answer
    x = 2,215.94

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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.