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Finding the Fourth Proportional to 35,937.59, 53,906.84 and 20,140.16

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Solution

The fourth proportional to 35,937.59, 53,906.84 and 20,140.16 is: 30,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,937.59 : 53,906.84 = 20,140.16 : x
  2. Step 2: Convert to fraction form
    35,937.59/53,906.84 = 20,140.16/x
  3. Step 3: Cross multiply
    35,937.59x = 53,906.84 × 20,140.16
  4. Step 4: Simplify right side
    35,937.59x = 1,085,692,012.46
  5. Step 5: Solve for x
    x = 1,085,692,012.46/35,937.59
  6. Step 6: Final answer
    x = 30,210.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.