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Finding the Fourth Proportional to 50,772.77, 70,069.01 and 28,114.27

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Solution

The fourth proportional to 50,772.77, 70,069.01 and 28,114.27 is: 38,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,772.77 : 70,069.01 = 28,114.27 : x
  2. Step 2: Convert to fraction form
    50,772.77/70,069.01 = 28,114.27/x
  3. Step 3: Cross multiply
    50,772.77x = 70,069.01 × 28,114.27
  4. Step 4: Simplify right side
    50,772.77x = 1,969,938,908.17
  5. Step 5: Solve for x
    x = 1,969,938,908.17/50,772.77
  6. Step 6: Final answer
    x = 38,799.12

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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.