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Finding the Fourth Proportional to 53,571.76, 73,927.40 and 29,697

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Solution

The fourth proportional to 53,571.76, 73,927.40 and 29,697 is: 40,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,571.76 : 73,927.40 = 29,697 : x
  2. Step 2: Convert to fraction form
    53,571.76/73,927.40 = 29,697/x
  3. Step 3: Cross multiply
    53,571.76x = 73,927.40 × 29,697
  4. Step 4: Simplify right side
    53,571.76x = 2,195,421,997.80
  5. Step 5: Solve for x
    x = 2,195,421,997.80/53,571.76
  6. Step 6: Final answer
    x = 40,980.96

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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.