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Finding the Fourth Proportional to 50,889.51, 70,227.54 and 28,533.51

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Solution

The fourth proportional to 50,889.51, 70,227.54 and 28,533.51 is: 39,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,889.51 : 70,227.54 = 28,533.51 : x
  2. Step 2: Convert to fraction form
    50,889.51/70,227.54 = 28,533.51/x
  3. Step 3: Cross multiply
    50,889.51x = 70,227.54 × 28,533.51
  4. Step 4: Simplify right side
    50,889.51x = 2,003,838,214.87
  5. Step 5: Solve for x
    x = 2,003,838,214.87/50,889.51
  6. Step 6: Final answer
    x = 39,376.25

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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.