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Finding the Fourth Proportional to 7,047.52, 9,726.24 and 4,063.84

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Solution

The fourth proportional to 7,047.52, 9,726.24 and 4,063.84 is: 5,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.52 : 9,726.24 = 4,063.84 : x
  2. Step 2: Convert to fraction form
    7,047.52/9,726.24 = 4,063.84/x
  3. Step 3: Cross multiply
    7,047.52x = 9,726.24 × 4,063.84
  4. Step 4: Simplify right side
    7,047.52x = 39,525,883.16
  5. Step 5: Solve for x
    x = 39,525,883.16/7,047.52
  6. Step 6: Final answer
    x = 5,608.48

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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.