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Finding the Fourth Proportional to 9,191.53, 13,788.67 and 4,261.67

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Solution

The fourth proportional to 9,191.53, 13,788.67 and 4,261.67 is: 6,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.53 : 13,788.67 = 4,261.67 : x
  2. Step 2: Convert to fraction form
    9,191.53/13,788.67 = 4,261.67/x
  3. Step 3: Cross multiply
    9,191.53x = 13,788.67 × 4,261.67
  4. Step 4: Simplify right side
    9,191.53x = 58,762,681.68
  5. Step 5: Solve for x
    x = 58,762,681.68/9,191.53
  6. Step 6: Final answer
    x = 6,393.14

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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.