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Finding the Fourth Proportional to 9,453.51, 14,160.62 and 7,987.51

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Solution

The fourth proportional to 9,453.51, 14,160.62 and 7,987.51 is: 11,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,453.51 : 14,160.62 = 7,987.51 : x
  2. Step 2: Convert to fraction form
    9,453.51/14,160.62 = 7,987.51/x
  3. Step 3: Cross multiply
    9,453.51x = 14,160.62 × 7,987.51
  4. Step 4: Simplify right side
    9,453.51x = 113,108,131.53
  5. Step 5: Solve for x
    x = 113,108,131.53/9,453.51
  6. Step 6: Final answer
    x = 11,964.67

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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.