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Finding the Fourth Proportional to 50,595.74, 69,822.06 and 28,239.74

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Solution

The fourth proportional to 50,595.74, 69,822.06 and 28,239.74 is: 38,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,595.74 : 69,822.06 = 28,239.74 : x
  2. Step 2: Convert to fraction form
    50,595.74/69,822.06 = 28,239.74/x
  3. Step 3: Cross multiply
    50,595.74x = 69,822.06 × 28,239.74
  4. Step 4: Simplify right side
    50,595.74x = 1,971,756,820.66
  5. Step 5: Solve for x
    x = 1,971,756,820.66/50,595.74
  6. Step 6: Final answer
    x = 38,970.81

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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.