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Finding the Fourth Proportional to 12,575.61, 17,352.41 and 7,269.41

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Solution

The fourth proportional to 12,575.61, 17,352.41 and 7,269.41 is: 10,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.61 : 17,352.41 = 7,269.41 : x
  2. Step 2: Convert to fraction form
    12,575.61/17,352.41 = 7,269.41/x
  3. Step 3: Cross multiply
    12,575.61x = 17,352.41 × 7,269.41
  4. Step 4: Simplify right side
    12,575.61x = 126,141,789.81
  5. Step 5: Solve for x
    x = 126,141,789.81/12,575.61
  6. Step 6: Final answer
    x = 10,030.67

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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.