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Finding the Fourth Proportional to 3,435.05, 4,740.05 and 1,943.08

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Solution

The fourth proportional to 3,435.05, 4,740.05 and 1,943.08 is: 2,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.05 : 4,740.05 = 1,943.08 : x
  2. Step 2: Convert to fraction form
    3,435.05/4,740.05 = 1,943.08/x
  3. Step 3: Cross multiply
    3,435.05x = 4,740.05 × 1,943.08
  4. Step 4: Simplify right side
    3,435.05x = 9,210,289.36
  5. Step 5: Solve for x
    x = 9,210,289.36/3,435.05
  6. Step 6: Final answer
    x = 2,681.27

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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.