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Finding the Fourth Proportional to 35,908.30, 53,829.24 and 18,339.40

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Solution

The fourth proportional to 35,908.30, 53,829.24 and 18,339.40 is: 27,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,908.30 : 53,829.24 = 18,339.40 : x
  2. Step 2: Convert to fraction form
    35,908.30/53,829.24 = 18,339.40/x
  3. Step 3: Cross multiply
    35,908.30x = 53,829.24 × 18,339.40
  4. Step 4: Simplify right side
    35,908.30x = 987,195,964.06
  5. Step 5: Solve for x
    x = 987,195,964.06/35,908.30
  6. Step 6: Final answer
    x = 27,492.14

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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.