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Finding the Fourth Proportional to 55,573.66, 76,700.55 and 31,708.09

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Solution

The fourth proportional to 55,573.66, 76,700.55 and 31,708.09 is: 43,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,573.66 : 76,700.55 = 31,708.09 : x
  2. Step 2: Convert to fraction form
    55,573.66/76,700.55 = 31,708.09/x
  3. Step 3: Cross multiply
    55,573.66x = 76,700.55 × 31,708.09
  4. Step 4: Simplify right side
    55,573.66x = 2,432,027,942.45
  5. Step 5: Solve for x
    x = 2,432,027,942.45/55,573.66
  6. Step 6: Final answer
    x = 43,762.24

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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.