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Finding the Fourth Proportional to 1,712.56, 2,354.21 and 1,701.76

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Solution

The fourth proportional to 1,712.56, 2,354.21 and 1,701.76 is: 2,339.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.56 : 2,354.21 = 1,701.76 : x
  2. Step 2: Convert to fraction form
    1,712.56/2,354.21 = 1,701.76/x
  3. Step 3: Cross multiply
    1,712.56x = 2,354.21 × 1,701.76
  4. Step 4: Simplify right side
    1,712.56x = 4,006,300.41
  5. Step 5: Solve for x
    x = 4,006,300.41/1,712.56
  6. Step 6: Final answer
    x = 2,339.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.