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Finding the Fourth Proportional to 2,173.55, 3,254.65 and 1,525.55

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Solution

The fourth proportional to 2,173.55, 3,254.65 and 1,525.55 is: 2,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.55 : 3,254.65 = 1,525.55 : x
  2. Step 2: Convert to fraction form
    2,173.55/3,254.65 = 1,525.55/x
  3. Step 3: Cross multiply
    2,173.55x = 3,254.65 × 1,525.55
  4. Step 4: Simplify right side
    2,173.55x = 4,965,111.22
  5. Step 5: Solve for x
    x = 4,965,111.22/2,173.55
  6. Step 6: Final answer
    x = 2,284.34

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1.5x scale

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.