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Finding the Fourth Proportional to 36,575.66, 54,830.64 and 13,196.64

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Solution

The fourth proportional to 36,575.66, 54,830.64 and 13,196.64 is: 19,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,575.66 : 54,830.64 = 13,196.64 : x
  2. Step 2: Convert to fraction form
    36,575.66/54,830.64 = 13,196.64/x
  3. Step 3: Cross multiply
    36,575.66x = 54,830.64 × 13,196.64
  4. Step 4: Simplify right side
    36,575.66x = 723,580,217.05
  5. Step 5: Solve for x
    x = 723,580,217.05/36,575.66
  6. Step 6: Final answer
    x = 19,783.11

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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.