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Finding the Fourth Proportional to 38,009.73, 57,014.63 and 10,307.73

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Solution

The fourth proportional to 38,009.73, 57,014.63 and 10,307.73 is: 15,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.73 : 57,014.63 = 10,307.73 : x
  2. Step 2: Convert to fraction form
    38,009.73/57,014.63 = 10,307.73/x
  3. Step 3: Cross multiply
    38,009.73x = 57,014.63 × 10,307.73
  4. Step 4: Simplify right side
    38,009.73x = 587,691,412.09
  5. Step 5: Solve for x
    x = 587,691,412.09/38,009.73
  6. Step 6: Final answer
    x = 15,461.60

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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.