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Finding the Fourth Proportional to 12,952.59, 19,408.12 and 11,707.03

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Solution

The fourth proportional to 12,952.59, 19,408.12 and 11,707.03 is: 17,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952.59 : 19,408.12 = 11,707.03 : x
  2. Step 2: Convert to fraction form
    12,952.59/19,408.12 = 11,707.03/x
  3. Step 3: Cross multiply
    12,952.59x = 19,408.12 × 11,707.03
  4. Step 4: Simplify right side
    12,952.59x = 227,211,503.93
  5. Step 5: Solve for x
    x = 227,211,503.93/12,952.59
  6. Step 6: Final answer
    x = 17,541.78

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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.