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Finding the Fourth Proportional to 36,435.76, 54,655.60 and 11,477.76

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Solution

The fourth proportional to 36,435.76, 54,655.60 and 11,477.76 is: 17,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,435.76 : 54,655.60 = 11,477.76 : x
  2. Step 2: Convert to fraction form
    36,435.76/54,655.60 = 11,477.76/x
  3. Step 3: Cross multiply
    36,435.76x = 54,655.60 × 11,477.76
  4. Step 4: Simplify right side
    36,435.76x = 627,323,859.46
  5. Step 5: Solve for x
    x = 627,323,859.46/36,435.76
  6. Step 6: Final answer
    x = 17,217.26

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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.