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Finding the Fourth Proportional to 68,776.75, 94,931.75 and 44,576.89

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Solution

The fourth proportional to 68,776.75, 94,931.75 and 44,576.89 is: 61,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,776.75 : 94,931.75 = 44,576.89 : x
  2. Step 2: Convert to fraction form
    68,776.75/94,931.75 = 44,576.89/x
  3. Step 3: Cross multiply
    68,776.75x = 94,931.75 × 44,576.89
  4. Step 4: Simplify right side
    68,776.75x = 4,231,762,051.37
  5. Step 5: Solve for x
    x = 4,231,762,051.37/68,776.75
  6. Step 6: Final answer
    x = 61,528.96

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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.