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Finding the Fourth Proportional to 5,541.51, 7,648.23 and 5,292.39

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Solution

The fourth proportional to 5,541.51, 7,648.23 and 5,292.39 is: 7,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.51 : 7,648.23 = 5,292.39 : x
  2. Step 2: Convert to fraction form
    5,541.51/7,648.23 = 5,292.39/x
  3. Step 3: Cross multiply
    5,541.51x = 7,648.23 × 5,292.39
  4. Step 4: Simplify right side
    5,541.51x = 40,477,415.97
  5. Step 5: Solve for x
    x = 40,477,415.97/5,541.51
  6. Step 6: Final answer
    x = 7,304.40

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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.