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Finding the Fourth Proportional to 70,627.92, 105,941.82 and 44,351.12

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Solution

The fourth proportional to 70,627.92, 105,941.82 and 44,351.12 is: 66,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,627.92 : 105,941.82 = 44,351.12 : x
  2. Step 2: Convert to fraction form
    70,627.92/105,941.82 = 44,351.12/x
  3. Step 3: Cross multiply
    70,627.92x = 105,941.82 × 44,351.12
  4. Step 4: Simplify right side
    70,627.92x = 4,698,638,371.84
  5. Step 5: Solve for x
    x = 4,698,638,371.84/70,627.92
  6. Step 6: Final answer
    x = 66,526.64

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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.