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Finding the Fourth Proportional to 79,513.58, 109,724.22 and 48,898.32

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Solution

The fourth proportional to 79,513.58, 109,724.22 and 48,898.32 is: 67,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,513.58 : 109,724.22 = 48,898.32 : x
  2. Step 2: Convert to fraction form
    79,513.58/109,724.22 = 48,898.32/x
  3. Step 3: Cross multiply
    79,513.58x = 109,724.22 × 48,898.32
  4. Step 4: Simplify right side
    79,513.58x = 5,365,330,021.31
  5. Step 5: Solve for x
    x = 5,365,330,021.31/79,513.58
  6. Step 6: Final answer
    x = 67,476.90

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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.