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Finding the Fourth Proportional to 55,793.19, 77,007.88 and 31,933.63

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Solution

The fourth proportional to 55,793.19, 77,007.88 and 31,933.63 is: 44,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.19 : 77,007.88 = 31,933.63 : x
  2. Step 2: Convert to fraction form
    55,793.19/77,007.88 = 31,933.63/x
  3. Step 3: Cross multiply
    55,793.19x = 77,007.88 × 31,933.63
  4. Step 4: Simplify right side
    55,793.19x = 2,459,141,147.00
  5. Step 5: Solve for x
    x = 2,459,141,147.00/55,793.19
  6. Step 6: Final answer
    x = 44,076.01

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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.