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Finding the Fourth Proportional to 45,062.40, 67,484.64 and 43,881.42

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Solution

The fourth proportional to 45,062.40, 67,484.64 and 43,881.42 is: 65,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,062.40 : 67,484.64 = 43,881.42 : x
  2. Step 2: Convert to fraction form
    45,062.40/67,484.64 = 43,881.42/x
  3. Step 3: Cross multiply
    45,062.40x = 67,484.64 × 43,881.42
  4. Step 4: Simplify right side
    45,062.40x = 2,961,321,831.39
  5. Step 5: Solve for x
    x = 2,961,321,831.39/45,062.40
  6. Step 6: Final answer
    x = 65,716.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.