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Finding the Fourth Proportional to 56,612.70, 84,821.85 and 46,698.30

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Solution

The fourth proportional to 56,612.70, 84,821.85 and 46,698.30 is: 69,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,612.70 : 84,821.85 = 46,698.30 : x
  2. Step 2: Convert to fraction form
    56,612.70/84,821.85 = 46,698.30/x
  3. Step 3: Cross multiply
    56,612.70x = 84,821.85 × 46,698.30
  4. Step 4: Simplify right side
    56,612.70x = 3,961,036,197.86
  5. Step 5: Solve for x
    x = 3,961,036,197.86/56,612.70
  6. Step 6: Final answer
    x = 69,967.27

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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.