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Finding the Fourth Proportional to 3,335.28, 4,602.74 and 1,938.03

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Solution

The fourth proportional to 3,335.28, 4,602.74 and 1,938.03 is: 2,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.28 : 4,602.74 = 1,938.03 : x
  2. Step 2: Convert to fraction form
    3,335.28/4,602.74 = 1,938.03/x
  3. Step 3: Cross multiply
    3,335.28x = 4,602.74 × 1,938.03
  4. Step 4: Simplify right side
    3,335.28x = 8,920,238.51
  5. Step 5: Solve for x
    x = 8,920,238.51/3,335.28
  6. Step 6: Final answer
    x = 2,674.51

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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.