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Finding the Fourth Proportional to 35,447.60, 53,214.60 and 17,908.40

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Solution

The fourth proportional to 35,447.60, 53,214.60 and 17,908.40 is: 26,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.60 : 53,214.60 = 17,908.40 : x
  2. Step 2: Convert to fraction form
    35,447.60/53,214.60 = 17,908.40/x
  3. Step 3: Cross multiply
    35,447.60x = 53,214.60 × 17,908.40
  4. Step 4: Simplify right side
    35,447.60x = 952,988,342.64
  5. Step 5: Solve for x
    x = 952,988,342.64/35,447.60
  6. Step 6: Final answer
    x = 26,884.42

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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.