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Finding the Fourth Proportional to 58,029.90, 80,116.21 and 37,920.44

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Solution

The fourth proportional to 58,029.90, 80,116.21 and 37,920.44 is: 52,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,029.90 : 80,116.21 = 37,920.44 : x
  2. Step 2: Convert to fraction form
    58,029.90/80,116.21 = 37,920.44/x
  3. Step 3: Cross multiply
    58,029.90x = 80,116.21 × 37,920.44
  4. Step 4: Simplify right side
    58,029.90x = 3,038,041,518.07
  5. Step 5: Solve for x
    x = 3,038,041,518.07/58,029.90
  6. Step 6: Final answer
    x = 52,353.04

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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.