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Finding the Fourth Proportional to 5,582.72, 8,368.08 and 1,884

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Solution

The fourth proportional to 5,582.72, 8,368.08 and 1,884 is: 2,823.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.72 : 8,368.08 = 1,884 : x
  2. Step 2: Convert to fraction form
    5,582.72/8,368.08 = 1,884/x
  3. Step 3: Cross multiply
    5,582.72x = 8,368.08 × 1,884
  4. Step 4: Simplify right side
    5,582.72x = 15,765,462.72
  5. Step 5: Solve for x
    x = 15,765,462.72/5,582.72
  6. Step 6: Final answer
    x = 2,823.98

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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.