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Finding the Fourth Proportional to 50,751.84, 70,037.68 and 28,092.40

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Solution

The fourth proportional to 50,751.84, 70,037.68 and 28,092.40 is: 38,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,751.84 : 70,037.68 = 28,092.40 : x
  2. Step 2: Convert to fraction form
    50,751.84/70,037.68 = 28,092.40/x
  3. Step 3: Cross multiply
    50,751.84x = 70,037.68 × 28,092.40
  4. Step 4: Simplify right side
    50,751.84x = 1,967,526,521.63
  5. Step 5: Solve for x
    x = 1,967,526,521.63/50,751.84
  6. Step 6: Final answer
    x = 38,767.59

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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.