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Finding the Fourth Proportional to 35,598.88, 53,420.28 and 18,081.28

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Solution

The fourth proportional to 35,598.88, 53,420.28 and 18,081.28 is: 27,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,598.88 : 53,420.28 = 18,081.28 : x
  2. Step 2: Convert to fraction form
    35,598.88/53,420.28 = 18,081.28/x
  3. Step 3: Cross multiply
    35,598.88x = 53,420.28 × 18,081.28
  4. Step 4: Simplify right side
    35,598.88x = 965,907,040.36
  5. Step 5: Solve for x
    x = 965,907,040.36/35,598.88
  6. Step 6: Final answer
    x = 27,133.07

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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.