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Finding the Fourth Proportional to 56,671.90, 84,813.45 and 52,006.30

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Solution

The fourth proportional to 56,671.90, 84,813.45 and 52,006.30 is: 77,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.90 : 84,813.45 = 52,006.30 : x
  2. Step 2: Convert to fraction form
    56,671.90/84,813.45 = 52,006.30/x
  3. Step 3: Cross multiply
    56,671.90x = 84,813.45 × 52,006.30
  4. Step 4: Simplify right side
    56,671.90x = 4,410,833,724.74
  5. Step 5: Solve for x
    x = 4,410,833,724.74/56,671.90
  6. Step 6: Final answer
    x = 77,831.05

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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.