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Finding the Fourth Proportional to 5,398.88, 7,450.50 and 3,041.08

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Solution

The fourth proportional to 5,398.88, 7,450.50 and 3,041.08 is: 4,196.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.88 : 7,450.50 = 3,041.08 : x
  2. Step 2: Convert to fraction form
    5,398.88/7,450.50 = 3,041.08/x
  3. Step 3: Cross multiply
    5,398.88x = 7,450.50 × 3,041.08
  4. Step 4: Simplify right side
    5,398.88x = 22,657,566.54
  5. Step 5: Solve for x
    x = 22,657,566.54/5,398.88
  6. Step 6: Final answer
    x = 4,196.72

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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.