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Finding the Fourth Proportional to 15,762.26, 21,751.26 and 8,592.02

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Solution

The fourth proportional to 15,762.26, 21,751.26 and 8,592.02 is: 11,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762.26 : 21,751.26 = 8,592.02 : x
  2. Step 2: Convert to fraction form
    15,762.26/21,751.26 = 8,592.02/x
  3. Step 3: Cross multiply
    15,762.26x = 21,751.26 × 8,592.02
  4. Step 4: Simplify right side
    15,762.26x = 186,887,292.54
  5. Step 5: Solve for x
    x = 186,887,292.54/15,762.26
  6. Step 6: Final answer
    x = 11,856.63

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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.