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Finding the Fourth Proportional to 52,874.64, 79,295.76 and 17,804.88

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Solution

The fourth proportional to 52,874.64, 79,295.76 and 17,804.88 is: 26,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,874.64 : 79,295.76 = 17,804.88 : x
  2. Step 2: Convert to fraction form
    52,874.64/79,295.76 = 17,804.88/x
  3. Step 3: Cross multiply
    52,874.64x = 79,295.76 × 17,804.88
  4. Step 4: Simplify right side
    52,874.64x = 1,411,851,491.31
  5. Step 5: Solve for x
    x = 1,411,851,491.31/52,874.64
  6. Step 6: Final answer
    x = 26,701.86

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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.