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Finding the Fourth Proportional to 9,116.56, 13,657.56 and 4,502.80

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Solution

The fourth proportional to 9,116.56, 13,657.56 and 4,502.80 is: 6,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.56 : 13,657.56 = 4,502.80 : x
  2. Step 2: Convert to fraction form
    9,116.56/13,657.56 = 4,502.80/x
  3. Step 3: Cross multiply
    9,116.56x = 13,657.56 × 4,502.80
  4. Step 4: Simplify right side
    9,116.56x = 61,497,261.17
  5. Step 5: Solve for x
    x = 61,497,261.17/9,116.56
  6. Step 6: Final answer
    x = 6,745.67

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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.