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Finding the Fourth Proportional to 58,576.66, 80,835.66 and 31,719.24

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Solution

The fourth proportional to 58,576.66, 80,835.66 and 31,719.24 is: 43,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,576.66 : 80,835.66 = 31,719.24 : x
  2. Step 2: Convert to fraction form
    58,576.66/80,835.66 = 31,719.24/x
  3. Step 3: Cross multiply
    58,576.66x = 80,835.66 × 31,719.24
  4. Step 4: Simplify right side
    58,576.66x = 2,564,045,700.10
  5. Step 5: Solve for x
    x = 2,564,045,700.10/58,576.66
  6. Step 6: Final answer
    x = 43,772.48

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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.