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Finding the Fourth Proportional to 32,670.96, 49,022.64 and 12,949.08

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Solution

The fourth proportional to 32,670.96, 49,022.64 and 12,949.08 is: 19,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,670.96 : 49,022.64 = 12,949.08 : x
  2. Step 2: Convert to fraction form
    32,670.96/49,022.64 = 12,949.08/x
  3. Step 3: Cross multiply
    32,670.96x = 49,022.64 × 12,949.08
  4. Step 4: Simplify right side
    32,670.96x = 634,798,087.17
  5. Step 5: Solve for x
    x = 634,798,087.17/32,670.96
  6. Step 6: Final answer
    x = 19,430.04

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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.