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Finding the Fourth Proportional to 50,922, 70,272.84 and 28,566.48

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Solution

The fourth proportional to 50,922, 70,272.84 and 28,566.48 is: 39,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,922 : 70,272.84 = 28,566.48 : x
  2. Step 2: Convert to fraction form
    50,922/70,272.84 = 28,566.48/x
  3. Step 3: Cross multiply
    50,922x = 70,272.84 × 28,566.48
  4. Step 4: Simplify right side
    50,922x = 2,007,447,678.40
  5. Step 5: Solve for x
    x = 2,007,447,678.40/50,922
  6. Step 6: Final answer
    x = 39,422.01

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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.