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Finding the Fourth Proportional to 52,903.92, 79,354.62 and 13,461.08

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Solution

The fourth proportional to 52,903.92, 79,354.62 and 13,461.08 is: 20,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,903.92 : 79,354.62 = 13,461.08 : x
  2. Step 2: Convert to fraction form
    52,903.92/79,354.62 = 13,461.08/x
  3. Step 3: Cross multiply
    52,903.92x = 79,354.62 × 13,461.08
  4. Step 4: Simplify right side
    52,903.92x = 1,068,198,888.19
  5. Step 5: Solve for x
    x = 1,068,198,888.19/52,903.92
  6. Step 6: Final answer
    x = 20,191.30

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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.