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Finding the Fourth Proportional to 76,683.51, 105,807.06 and 44,846.06

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Solution

The fourth proportional to 76,683.51, 105,807.06 and 44,846.06 is: 61,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,683.51 : 105,807.06 = 44,846.06 : x
  2. Step 2: Convert to fraction form
    76,683.51/105,807.06 = 44,846.06/x
  3. Step 3: Cross multiply
    76,683.51x = 105,807.06 × 44,846.06
  4. Step 4: Simplify right side
    76,683.51x = 4,745,029,232.15
  5. Step 5: Solve for x
    x = 4,745,029,232.15/76,683.51
  6. Step 6: Final answer
    x = 61,878.09

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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.