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Finding the Fourth Proportional to 5,875.20, 8,813.70 and 1,714.68

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Solution

The fourth proportional to 5,875.20, 8,813.70 and 1,714.68 is: 2,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.20 : 8,813.70 = 1,714.68 : x
  2. Step 2: Convert to fraction form
    5,875.20/8,813.70 = 1,714.68/x
  3. Step 3: Cross multiply
    5,875.20x = 8,813.70 × 1,714.68
  4. Step 4: Simplify right side
    5,875.20x = 15,112,675.12
  5. Step 5: Solve for x
    x = 15,112,675.12/5,875.20
  6. Step 6: Final answer
    x = 2,572.28

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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.