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Finding the Fourth Proportional to 1,714.37, 2,572.16 and 544.32

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Solution

The fourth proportional to 1,714.37, 2,572.16 and 544.32 is: 816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.37 : 2,572.16 = 544.32 : x
  2. Step 2: Convert to fraction form
    1,714.37/2,572.16 = 544.32/x
  3. Step 3: Cross multiply
    1,714.37x = 2,572.16 × 544.32
  4. Step 4: Simplify right side
    1,714.37x = 1,400,075.41
  5. Step 5: Solve for x
    x = 1,400,075.41/1,714.37
  6. Step 6: Final answer
    x = 816.67

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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.