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Finding the Fourth Proportional to 36,607.64, 54,906.53 and 9,955.67

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Solution

The fourth proportional to 36,607.64, 54,906.53 and 9,955.67 is: 14,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,607.64 : 54,906.53 = 9,955.67 : x
  2. Step 2: Convert to fraction form
    36,607.64/54,906.53 = 9,955.67/x
  3. Step 3: Cross multiply
    36,607.64x = 54,906.53 × 9,955.67
  4. Step 4: Simplify right side
    36,607.64x = 546,630,969.21
  5. Step 5: Solve for x
    x = 546,630,969.21/36,607.64
  6. Step 6: Final answer
    x = 14,932.16

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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.