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Finding the Fourth Proportional to 58,874.28, 81,245.38 and 32,378.28

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Solution

The fourth proportional to 58,874.28, 81,245.38 and 32,378.28 is: 44,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,874.28 : 81,245.38 = 32,378.28 : x
  2. Step 2: Convert to fraction form
    58,874.28/81,245.38 = 32,378.28/x
  3. Step 3: Cross multiply
    58,874.28x = 81,245.38 × 32,378.28
  4. Step 4: Simplify right side
    58,874.28x = 2,630,585,662.35
  5. Step 5: Solve for x
    x = 2,630,585,662.35/58,874.28
  6. Step 6: Final answer
    x = 44,681.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.