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Finding the Fourth Proportional to 5,391.63, 7,391.93 and 5,293.22

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Solution

The fourth proportional to 5,391.63, 7,391.93 and 5,293.22 is: 7,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.63 : 7,391.93 = 5,293.22 : x
  2. Step 2: Convert to fraction form
    5,391.63/7,391.93 = 5,293.22/x
  3. Step 3: Cross multiply
    5,391.63x = 7,391.93 × 5,293.22
  4. Step 4: Simplify right side
    5,391.63x = 39,127,048.29
  5. Step 5: Solve for x
    x = 39,127,048.29/5,391.63
  6. Step 6: Final answer
    x = 7,257.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.