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Finding the Fourth Proportional to 3,701.79, 5,532.22 and 3,316.34

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Solution

The fourth proportional to 3,701.79, 5,532.22 and 3,316.34 is: 4,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.79 : 5,532.22 = 3,316.34 : x
  2. Step 2: Convert to fraction form
    3,701.79/5,532.22 = 3,316.34/x
  3. Step 3: Cross multiply
    3,701.79x = 5,532.22 × 3,316.34
  4. Step 4: Simplify right side
    3,701.79x = 18,346,686.52
  5. Step 5: Solve for x
    x = 18,346,686.52/3,701.79
  6. Step 6: Final answer
    x = 4,956.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.