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Finding the Fourth Proportional to 56,497.30, 84,753.84 and 19,068.21

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Solution

The fourth proportional to 56,497.30, 84,753.84 and 19,068.21 is: 28,604.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,497.30 : 84,753.84 = 19,068.21 : x
  2. Step 2: Convert to fraction form
    56,497.30/84,753.84 = 19,068.21/x
  3. Step 3: Cross multiply
    56,497.30x = 84,753.84 × 19,068.21
  4. Step 4: Simplify right side
    56,497.30x = 1,616,104,090.93
  5. Step 5: Solve for x
    x = 1,616,104,090.93/56,497.30
  6. Step 6: Final answer
    x = 28,604.98

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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.