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Finding the Fourth Proportional to 35,632.56, 53,419.56 and 20,804.88

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Solution

The fourth proportional to 35,632.56, 53,419.56 and 20,804.88 is: 31,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,632.56 : 53,419.56 = 20,804.88 : x
  2. Step 2: Convert to fraction form
    35,632.56/53,419.56 = 20,804.88/x
  3. Step 3: Cross multiply
    35,632.56x = 53,419.56 × 20,804.88
  4. Step 4: Simplify right side
    35,632.56x = 1,111,387,535.45
  5. Step 5: Solve for x
    x = 1,111,387,535.45/35,632.56
  6. Step 6: Final answer
    x = 31,190.22

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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.