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Finding the Fourth Proportional to 76,672.58, 105,808.29 and 44,835.62

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Solution

The fourth proportional to 76,672.58, 105,808.29 and 44,835.62 is: 61,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,672.58 : 105,808.29 = 44,835.62 : x
  2. Step 2: Convert to fraction form
    76,672.58/105,808.29 = 44,835.62/x
  3. Step 3: Cross multiply
    76,672.58x = 105,808.29 × 44,835.62
  4. Step 4: Simplify right side
    76,672.58x = 4,743,980,283.29
  5. Step 5: Solve for x
    x = 4,743,980,283.29/76,672.58
  6. Step 6: Final answer
    x = 61,873.23

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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.