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Finding the Fourth Proportional to 35,486.68, 48,973.86 and 19,571.16

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Solution

The fourth proportional to 35,486.68, 48,973.86 and 19,571.16 is: 27,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.68 : 48,973.86 = 19,571.16 : x
  2. Step 2: Convert to fraction form
    35,486.68/48,973.86 = 19,571.16/x
  3. Step 3: Cross multiply
    35,486.68x = 48,973.86 × 19,571.16
  4. Step 4: Simplify right side
    35,486.68x = 958,475,249.88
  5. Step 5: Solve for x
    x = 958,475,249.88/35,486.68
  6. Step 6: Final answer
    x = 27,009.44

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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.