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Finding the Fourth Proportional to 15,034.06, 20,749.53 and 8,750.08

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Solution

The fourth proportional to 15,034.06, 20,749.53 and 8,750.08 is: 12,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034.06 : 20,749.53 = 8,750.08 : x
  2. Step 2: Convert to fraction form
    15,034.06/20,749.53 = 8,750.08/x
  3. Step 3: Cross multiply
    15,034.06x = 20,749.53 × 8,750.08
  4. Step 4: Simplify right side
    15,034.06x = 181,560,047.46
  5. Step 5: Solve for x
    x = 181,560,047.46/15,034.06
  6. Step 6: Final answer
    x = 12,076.58

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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.