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Finding the Fourth Proportional to 48,879.70, 73,210.20 and 37,750.30

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Solution

The fourth proportional to 48,879.70, 73,210.20 and 37,750.30 is: 56,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,879.70 : 73,210.20 = 37,750.30 : x
  2. Step 2: Convert to fraction form
    48,879.70/73,210.20 = 37,750.30/x
  3. Step 3: Cross multiply
    48,879.70x = 73,210.20 × 37,750.30
  4. Step 4: Simplify right side
    48,879.70x = 2,763,707,013.06
  5. Step 5: Solve for x
    x = 2,763,707,013.06/48,879.70
  6. Step 6: Final answer
    x = 56,541.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.