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Finding the Fourth Proportional to 50,937, 70,289.82 and 28,276.44

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Solution

The fourth proportional to 50,937, 70,289.82 and 28,276.44 is: 39,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,937 : 70,289.82 = 28,276.44 : x
  2. Step 2: Convert to fraction form
    50,937/70,289.82 = 28,276.44/x
  3. Step 3: Cross multiply
    50,937x = 70,289.82 × 28,276.44
  4. Step 4: Simplify right side
    50,937x = 1,987,545,877.84
  5. Step 5: Solve for x
    x = 1,987,545,877.84/50,937
  6. Step 6: Final answer
    x = 39,019.69

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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.