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Finding the Fourth Proportional to 32,390.88, 48,507.94 and 15,709.60

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Solution

The fourth proportional to 32,390.88, 48,507.94 and 15,709.60 is: 23,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,390.88 : 48,507.94 = 15,709.60 : x
  2. Step 2: Convert to fraction form
    32,390.88/48,507.94 = 15,709.60/x
  3. Step 3: Cross multiply
    32,390.88x = 48,507.94 × 15,709.60
  4. Step 4: Simplify right side
    32,390.88x = 762,040,334.22
  5. Step 5: Solve for x
    x = 762,040,334.22/32,390.88
  6. Step 6: Final answer
    x = 23,526.39

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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.