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Finding the Fourth Proportional to 55,799.52, 76,958.80 and 36,698.90

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Solution

The fourth proportional to 55,799.52, 76,958.80 and 36,698.90 is: 50,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,799.52 : 76,958.80 = 36,698.90 : x
  2. Step 2: Convert to fraction form
    55,799.52/76,958.80 = 36,698.90/x
  3. Step 3: Cross multiply
    55,799.52x = 76,958.80 × 36,698.90
  4. Step 4: Simplify right side
    55,799.52x = 2,824,303,426.51
  5. Step 5: Solve for x
    x = 2,824,303,426.51/55,799.52
  6. Step 6: Final answer
    x = 50,615.20

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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.