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Finding the Fourth Proportional to 45,325.32, 68,031.21 and 27,829.32

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Solution

The fourth proportional to 45,325.32, 68,031.21 and 27,829.32 is: 41,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,325.32 : 68,031.21 = 27,829.32 : x
  2. Step 2: Convert to fraction form
    45,325.32/68,031.21 = 27,829.32/x
  3. Step 3: Cross multiply
    45,325.32x = 68,031.21 × 27,829.32
  4. Step 4: Simplify right side
    45,325.32x = 1,893,262,313.08
  5. Step 5: Solve for x
    x = 1,893,262,313.08/45,325.32
  6. Step 6: Final answer
    x = 41,770.52

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1.5x scale

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.