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Finding the Fourth Proportional to 32,916.70, 49,373.94 and 13,189.96

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Solution

The fourth proportional to 32,916.70, 49,373.94 and 13,189.96 is: 19,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,916.70 : 49,373.94 = 13,189.96 : x
  2. Step 2: Convert to fraction form
    32,916.70/49,373.94 = 13,189.96/x
  3. Step 3: Cross multiply
    32,916.70x = 49,373.94 × 13,189.96
  4. Step 4: Simplify right side
    32,916.70x = 651,240,293.64
  5. Step 5: Solve for x
    x = 651,240,293.64/32,916.70
  6. Step 6: Final answer
    x = 19,784.50

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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.