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Finding the Fourth Proportional to 56,401.70, 84,532.35 and 36,358.34

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Solution

The fourth proportional to 56,401.70, 84,532.35 and 36,358.34 is: 54,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,401.70 : 84,532.35 = 36,358.34 : x
  2. Step 2: Convert to fraction form
    56,401.70/84,532.35 = 36,358.34/x
  3. Step 3: Cross multiply
    56,401.70x = 84,532.35 × 36,358.34
  4. Step 4: Simplify right side
    56,401.70x = 3,073,455,922.30
  5. Step 5: Solve for x
    x = 3,073,455,922.30/56,401.70
  6. Step 6: Final answer
    x = 54,492.26

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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.