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Finding the Fourth Proportional to 76,696.58, 105,807.12 and 44,851.44

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Solution

The fourth proportional to 76,696.58, 105,807.12 and 44,851.44 is: 61,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,696.58 : 105,807.12 = 44,851.44 : x
  2. Step 2: Convert to fraction form
    76,696.58/105,807.12 = 44,851.44/x
  3. Step 3: Cross multiply
    76,696.58x = 105,807.12 × 44,851.44
  4. Step 4: Simplify right side
    76,696.58x = 4,745,601,694.25
  5. Step 5: Solve for x
    x = 4,745,601,694.25/76,696.58
  6. Step 6: Final answer
    x = 61,875.01

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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.