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Finding the Fourth Proportional to 71,315.52, 98,392.80 and 41,501.76

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Solution

The fourth proportional to 71,315.52, 98,392.80 and 41,501.76 is: 57,259.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,315.52 : 98,392.80 = 41,501.76 : x
  2. Step 2: Convert to fraction form
    71,315.52/98,392.80 = 41,501.76/x
  3. Step 3: Cross multiply
    71,315.52x = 98,392.80 × 41,501.76
  4. Step 4: Simplify right side
    71,315.52x = 4,083,474,371.33
  5. Step 5: Solve for x
    x = 4,083,474,371.33/71,315.52
  6. Step 6: Final answer
    x = 57,259.27

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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.