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Finding the Fourth Proportional to 73,365.48, 101,244.42 and 39,831.48

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Solution

The fourth proportional to 73,365.48, 101,244.42 and 39,831.48 is: 54,967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,365.48 : 101,244.42 = 39,831.48 : x
  2. Step 2: Convert to fraction form
    73,365.48/101,244.42 = 39,831.48/x
  3. Step 3: Cross multiply
    73,365.48x = 101,244.42 × 39,831.48
  4. Step 4: Simplify right side
    73,365.48x = 4,032,715,090.34
  5. Step 5: Solve for x
    x = 4,032,715,090.34/73,365.48
  6. Step 6: Final answer
    x = 54,967.47

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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.