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Finding the Fourth Proportional to 1,674.72, 2,307.36 and 1,525.68

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Solution

The fourth proportional to 1,674.72, 2,307.36 and 1,525.68 is: 2,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.72 : 2,307.36 = 1,525.68 : x
  2. Step 2: Convert to fraction form
    1,674.72/2,307.36 = 1,525.68/x
  3. Step 3: Cross multiply
    1,674.72x = 2,307.36 × 1,525.68
  4. Step 4: Simplify right side
    1,674.72x = 3,520,293.00
  5. Step 5: Solve for x
    x = 3,520,293.00/1,674.72
  6. Step 6: Final answer
    x = 2,102.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.