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Finding the Fourth Proportional to 43,804.89, 65,709.50 and 12,214.89

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Solution

The fourth proportional to 43,804.89, 65,709.50 and 12,214.89 is: 18,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,804.89 : 65,709.50 = 12,214.89 : x
  2. Step 2: Convert to fraction form
    43,804.89/65,709.50 = 12,214.89/x
  3. Step 3: Cross multiply
    43,804.89x = 65,709.50 × 12,214.89
  4. Step 4: Simplify right side
    43,804.89x = 802,634,253.38
  5. Step 5: Solve for x
    x = 802,634,253.38/43,804.89
  6. Step 6: Final answer
    x = 18,322.94

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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.