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Finding the Fourth Proportional to 55,998.60, 77,250.80 and 35,839.32

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Solution

The fourth proportional to 55,998.60, 77,250.80 and 35,839.32 is: 49,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,998.60 : 77,250.80 = 35,839.32 : x
  2. Step 2: Convert to fraction form
    55,998.60/77,250.80 = 35,839.32/x
  3. Step 3: Cross multiply
    55,998.60x = 77,250.80 × 35,839.32
  4. Step 4: Simplify right side
    55,998.60x = 2,768,616,141.46
  5. Step 5: Solve for x
    x = 2,768,616,141.46/55,998.60
  6. Step 6: Final answer
    x = 49,440.81

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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.