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Finding the Fourth Proportional to 5,884.80, 8,827.72 and 1,724.80

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Solution

The fourth proportional to 5,884.80, 8,827.72 and 1,724.80 is: 2,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.80 : 8,827.72 = 1,724.80 : x
  2. Step 2: Convert to fraction form
    5,884.80/8,827.72 = 1,724.80/x
  3. Step 3: Cross multiply
    5,884.80x = 8,827.72 × 1,724.80
  4. Step 4: Simplify right side
    5,884.80x = 15,226,051.46
  5. Step 5: Solve for x
    x = 15,226,051.46/5,884.80
  6. Step 6: Final answer
    x = 2,587.35

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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.