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Finding the Fourth Proportional to 35,449.68, 53,162.64 and 17,908.32

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Solution

The fourth proportional to 35,449.68, 53,162.64 and 17,908.32 is: 26,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.68 : 53,162.64 = 17,908.32 : x
  2. Step 2: Convert to fraction form
    35,449.68/53,162.64 = 17,908.32/x
  3. Step 3: Cross multiply
    35,449.68x = 53,162.64 × 17,908.32
  4. Step 4: Simplify right side
    35,449.68x = 952,053,569.16
  5. Step 5: Solve for x
    x = 952,053,569.16/35,449.68
  6. Step 6: Final answer
    x = 26,856.48

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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.