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Finding the Fourth Proportional to 63,697.77, 87,903.99 and 35,403.51

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Solution

The fourth proportional to 63,697.77, 87,903.99 and 35,403.51 is: 48,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,697.77 : 87,903.99 = 35,403.51 : x
  2. Step 2: Convert to fraction form
    63,697.77/87,903.99 = 35,403.51/x
  3. Step 3: Cross multiply
    63,697.77x = 87,903.99 × 35,403.51
  4. Step 4: Simplify right side
    63,697.77x = 3,112,109,789.00
  5. Step 5: Solve for x
    x = 3,112,109,789.00/63,697.77
  6. Step 6: Final answer
    x = 48,857.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.