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Finding the Fourth Proportional to 74,669.04, 112,005.72 and 19,265.04

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Solution

The fourth proportional to 74,669.04, 112,005.72 and 19,265.04 is: 28,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669.04 : 112,005.72 = 19,265.04 : x
  2. Step 2: Convert to fraction form
    74,669.04/112,005.72 = 19,265.04/x
  3. Step 3: Cross multiply
    74,669.04x = 112,005.72 × 19,265.04
  4. Step 4: Simplify right side
    74,669.04x = 2,157,794,676.03
  5. Step 5: Solve for x
    x = 2,157,794,676.03/74,669.04
  6. Step 6: Final answer
    x = 28,898.12

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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.