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Finding the Fourth Proportional to 55,600.58, 76,709.76 and 31,710.08

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Solution

The fourth proportional to 55,600.58, 76,709.76 and 31,710.08 is: 43,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,600.58 : 76,709.76 = 31,710.08 : x
  2. Step 2: Convert to fraction form
    55,600.58/76,709.76 = 31,710.08/x
  3. Step 3: Cross multiply
    55,600.58x = 76,709.76 × 31,710.08
  4. Step 4: Simplify right side
    55,600.58x = 2,432,472,626.38
  5. Step 5: Solve for x
    x = 2,432,472,626.38/55,600.58
  6. Step 6: Final answer
    x = 43,749.05

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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.