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Finding the Fourth Proportional to 79,683.25, 109,962.89 and 44,355.25

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Solution

The fourth proportional to 79,683.25, 109,962.89 and 44,355.25 is: 61,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,683.25 : 109,962.89 = 44,355.25 : x
  2. Step 2: Convert to fraction form
    79,683.25/109,962.89 = 44,355.25/x
  3. Step 3: Cross multiply
    79,683.25x = 109,962.89 × 44,355.25
  4. Step 4: Simplify right side
    79,683.25x = 4,877,431,476.67
  5. Step 5: Solve for x
    x = 4,877,431,476.67/79,683.25
  6. Step 6: Final answer
    x = 61,210.25

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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.