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Finding the Fourth Proportional to 73,792.44, 101,802.54 and 51,449.40

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Solution

The fourth proportional to 73,792.44, 101,802.54 and 51,449.40 is: 70,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,792.44 : 101,802.54 = 51,449.40 : x
  2. Step 2: Convert to fraction form
    73,792.44/101,802.54 = 51,449.40/x
  3. Step 3: Cross multiply
    73,792.44x = 101,802.54 × 51,449.40
  4. Step 4: Simplify right side
    73,792.44x = 5,237,679,601.48
  5. Step 5: Solve for x
    x = 5,237,679,601.48/73,792.44
  6. Step 6: Final answer
    x = 70,978.54

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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.