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Finding the Fourth Proportional to 39,937, 55,113.06 and 22,273

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Solution

The fourth proportional to 39,937, 55,113.06 and 22,273 is: 30,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937 : 55,113.06 = 22,273 : x
  2. Step 2: Convert to fraction form
    39,937/55,113.06 = 22,273/x
  3. Step 3: Cross multiply
    39,937x = 55,113.06 × 22,273
  4. Step 4: Simplify right side
    39,937x = 1,227,533,185.38
  5. Step 5: Solve for x
    x = 1,227,533,185.38/39,937
  6. Step 6: Final answer
    x = 30,736.74

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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.