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Finding the Fourth Proportional to 7,054.68, 9,721.26 and 5,273.40

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Solution

The fourth proportional to 7,054.68, 9,721.26 and 5,273.40 is: 7,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.68 : 9,721.26 = 5,273.40 : x
  2. Step 2: Convert to fraction form
    7,054.68/9,721.26 = 5,273.40/x
  3. Step 3: Cross multiply
    7,054.68x = 9,721.26 × 5,273.40
  4. Step 4: Simplify right side
    7,054.68x = 51,264,092.48
  5. Step 5: Solve for x
    x = 51,264,092.48/7,054.68
  6. Step 6: Final answer
    x = 7,266.68

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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.