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Finding the Fourth Proportional to 58,079.84, 80,120.66 and 37,948.50

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Solution

The fourth proportional to 58,079.84, 80,120.66 and 37,948.50 is: 52,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,079.84 : 80,120.66 = 37,948.50 : x
  2. Step 2: Convert to fraction form
    58,079.84/80,120.66 = 37,948.50/x
  3. Step 3: Cross multiply
    58,079.84x = 80,120.66 × 37,948.50
  4. Step 4: Simplify right side
    58,079.84x = 3,040,458,676.27
  5. Step 5: Solve for x
    x = 3,040,458,676.27/58,079.84
  6. Step 6: Final answer
    x = 52,349.64

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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.