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Finding the Fourth Proportional to 3,532.99, 4,875.93 and 1,961.23

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Solution

The fourth proportional to 3,532.99, 4,875.93 and 1,961.23 is: 2,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.99 : 4,875.93 = 1,961.23 : x
  2. Step 2: Convert to fraction form
    3,532.99/4,875.93 = 1,961.23/x
  3. Step 3: Cross multiply
    3,532.99x = 4,875.93 × 1,961.23
  4. Step 4: Simplify right side
    3,532.99x = 9,562,820.19
  5. Step 5: Solve for x
    x = 9,562,820.19/3,532.99
  6. Step 6: Final answer
    x = 2,706.72

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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.