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Finding the Fourth Proportional to 76,865.43, 106,069.72 and 44,597.54

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Solution

The fourth proportional to 76,865.43, 106,069.72 and 44,597.54 is: 61,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,865.43 : 106,069.72 = 44,597.54 : x
  2. Step 2: Convert to fraction form
    76,865.43/106,069.72 = 44,597.54/x
  3. Step 3: Cross multiply
    76,865.43x = 106,069.72 × 44,597.54
  4. Step 4: Simplify right side
    76,865.43x = 4,730,448,866.76
  5. Step 5: Solve for x
    x = 4,730,448,866.76/76,865.43
  6. Step 6: Final answer
    x = 61,541.96

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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.