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Finding the Fourth Proportional to 74,842.80, 112,183.86 and 37,328.76

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Solution

The fourth proportional to 74,842.80, 112,183.86 and 37,328.76 is: 55,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,842.80 : 112,183.86 = 37,328.76 : x
  2. Step 2: Convert to fraction form
    74,842.80/112,183.86 = 37,328.76/x
  3. Step 3: Cross multiply
    74,842.80x = 112,183.86 × 37,328.76
  4. Step 4: Simplify right side
    74,842.80x = 4,187,684,385.81
  5. Step 5: Solve for x
    x = 4,187,684,385.81/74,842.80
  6. Step 6: Final answer
    x = 55,953.07

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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.