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Finding the Fourth Proportional to 15,085.01, 22,627.97 and 7,188.36

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Solution

The fourth proportional to 15,085.01, 22,627.97 and 7,188.36 is: 10,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,085.01 : 22,627.97 = 7,188.36 : x
  2. Step 2: Convert to fraction form
    15,085.01/22,627.97 = 7,188.36/x
  3. Step 3: Cross multiply
    15,085.01x = 22,627.97 × 7,188.36
  4. Step 4: Simplify right side
    15,085.01x = 162,657,958.49
  5. Step 5: Solve for x
    x = 162,657,958.49/15,085.01
  6. Step 6: Final answer
    x = 10,782.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.