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Finding the Fourth Proportional to 35,959.32, 53,900.02 and 18,405.08

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Solution

The fourth proportional to 35,959.32, 53,900.02 and 18,405.08 is: 27,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,959.32 : 53,900.02 = 18,405.08 : x
  2. Step 2: Convert to fraction form
    35,959.32/53,900.02 = 18,405.08/x
  3. Step 3: Cross multiply
    35,959.32x = 53,900.02 × 18,405.08
  4. Step 4: Simplify right side
    35,959.32x = 992,034,180.10
  5. Step 5: Solve for x
    x = 992,034,180.10/35,959.32
  6. Step 6: Final answer
    x = 27,587.68

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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.