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Finding the Fourth Proportional to 36,356.92, 50,155.71 and 21,250.22

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Solution

The fourth proportional to 36,356.92, 50,155.71 and 21,250.22 is: 29,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,356.92 : 50,155.71 = 21,250.22 : x
  2. Step 2: Convert to fraction form
    36,356.92/50,155.71 = 21,250.22/x
  3. Step 3: Cross multiply
    36,356.92x = 50,155.71 × 21,250.22
  4. Step 4: Simplify right side
    36,356.92x = 1,065,819,541.29
  5. Step 5: Solve for x
    x = 1,065,819,541.29/36,356.92
  6. Step 6: Final answer
    x = 29,315.45

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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.