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Finding the Fourth Proportional to 76,453.61, 105,512.60 and 44,632.76

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Solution

The fourth proportional to 76,453.61, 105,512.60 and 44,632.76 is: 61,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,453.61 : 105,512.60 = 44,632.76 : x
  2. Step 2: Convert to fraction form
    76,453.61/105,512.60 = 44,632.76/x
  3. Step 3: Cross multiply
    76,453.61x = 105,512.60 × 44,632.76
  4. Step 4: Simplify right side
    76,453.61x = 4,709,318,136.79
  5. Step 5: Solve for x
    x = 4,709,318,136.79/76,453.61
  6. Step 6: Final answer
    x = 61,597.07

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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.