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Finding the Fourth Proportional to 38,471.76, 52,980.48 and 33,050.70

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Solution

The fourth proportional to 38,471.76, 52,980.48 and 33,050.70 is: 45,514.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,471.76 : 52,980.48 = 33,050.70 : x
  2. Step 2: Convert to fraction form
    38,471.76/52,980.48 = 33,050.70/x
  3. Step 3: Cross multiply
    38,471.76x = 52,980.48 × 33,050.70
  4. Step 4: Simplify right side
    38,471.76x = 1,751,041,950.34
  5. Step 5: Solve for x
    x = 1,751,041,950.34/38,471.76
  6. Step 6: Final answer
    x = 45,514.99

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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.