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Finding the Fourth Proportional to 50,924, 70,275.60 and 28,568.48

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Solution

The fourth proportional to 50,924, 70,275.60 and 28,568.48 is: 39,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,924 : 70,275.60 = 28,568.48 : x
  2. Step 2: Convert to fraction form
    50,924/70,275.60 = 28,568.48/x
  3. Step 3: Cross multiply
    50,924x = 70,275.60 × 28,568.48
  4. Step 4: Simplify right side
    50,924x = 2,007,667,073.09
  5. Step 5: Solve for x
    x = 2,007,667,073.09/50,924
  6. Step 6: Final answer
    x = 39,424.77

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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.