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Finding the Fourth Proportional to 5,325.42, 7,987.80 and 2,363

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Solution

The fourth proportional to 5,325.42, 7,987.80 and 2,363 is: 3,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.42 : 7,987.80 = 2,363 : x
  2. Step 2: Convert to fraction form
    5,325.42/7,987.80 = 2,363/x
  3. Step 3: Cross multiply
    5,325.42x = 7,987.80 × 2,363
  4. Step 4: Simplify right side
    5,325.42x = 18,875,171.40
  5. Step 5: Solve for x
    x = 18,875,171.40/5,325.42
  6. Step 6: Final answer
    x = 3,544.35

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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.