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Finding the Fourth Proportional to 3,602.56, 4,971.54 and 1,946.56

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Solution

The fourth proportional to 3,602.56, 4,971.54 and 1,946.56 is: 2,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.56 : 4,971.54 = 1,946.56 : x
  2. Step 2: Convert to fraction form
    3,602.56/4,971.54 = 1,946.56/x
  3. Step 3: Cross multiply
    3,602.56x = 4,971.54 × 1,946.56
  4. Step 4: Simplify right side
    3,602.56x = 9,677,408.46
  5. Step 5: Solve for x
    x = 9,677,408.46/3,602.56
  6. Step 6: Final answer
    x = 2,686.26

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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.