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Finding the Fourth Proportional to 55,066.50, 75,998.25 and 32,710.50

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Solution

The fourth proportional to 55,066.50, 75,998.25 and 32,710.50 is: 45,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,066.50 : 75,998.25 = 32,710.50 : x
  2. Step 2: Convert to fraction form
    55,066.50/75,998.25 = 32,710.50/x
  3. Step 3: Cross multiply
    55,066.50x = 75,998.25 × 32,710.50
  4. Step 4: Simplify right side
    55,066.50x = 2,485,940,756.63
  5. Step 5: Solve for x
    x = 2,485,940,756.63/55,066.50
  6. Step 6: Final answer
    x = 45,144.34

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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.