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Finding the Fourth Proportional to 36,897.33, 50,913.18 and 20,980.02

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Solution

The fourth proportional to 36,897.33, 50,913.18 and 20,980.02 is: 28,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,897.33 : 50,913.18 = 20,980.02 : x
  2. Step 2: Convert to fraction form
    36,897.33/50,913.18 = 20,980.02/x
  3. Step 3: Cross multiply
    36,897.33x = 50,913.18 × 20,980.02
  4. Step 4: Simplify right side
    36,897.33x = 1,068,159,534.66
  5. Step 5: Solve for x
    x = 1,068,159,534.66/36,897.33
  6. Step 6: Final answer
    x = 28,949.51

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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.