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Finding the Fourth Proportional to 71,324.94, 98,476.23 and 44,478.30

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Solution

The fourth proportional to 71,324.94, 98,476.23 and 44,478.30 is: 61,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,324.94 : 98,476.23 = 44,478.30 : x
  2. Step 2: Convert to fraction form
    71,324.94/98,476.23 = 44,478.30/x
  3. Step 3: Cross multiply
    71,324.94x = 98,476.23 × 44,478.30
  4. Step 4: Simplify right side
    71,324.94x = 4,380,055,300.81
  5. Step 5: Solve for x
    x = 4,380,055,300.81/71,324.94
  6. Step 6: Final answer
    x = 61,409.87

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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.