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Finding the Fourth Proportional to 84,576.65, 116,710.76 and 46,328.57

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Solution

The fourth proportional to 84,576.65, 116,710.76 and 46,328.57 is: 63,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,576.65 : 116,710.76 = 46,328.57 : x
  2. Step 2: Convert to fraction form
    84,576.65/116,710.76 = 46,328.57/x
  3. Step 3: Cross multiply
    84,576.65x = 116,710.76 × 46,328.57
  4. Step 4: Simplify right side
    84,576.65x = 5,407,042,146.68
  5. Step 5: Solve for x
    x = 5,407,042,146.68/84,576.65
  6. Step 6: Final answer
    x = 63,930.67

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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.