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Finding the Fourth Proportional to 64,168.79, 88,460.30 and 43,993.71

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Solution

The fourth proportional to 64,168.79, 88,460.30 and 43,993.71 is: 60,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,168.79 : 88,460.30 = 43,993.71 : x
  2. Step 2: Convert to fraction form
    64,168.79/88,460.30 = 43,993.71/x
  3. Step 3: Cross multiply
    64,168.79x = 88,460.30 × 43,993.71
  4. Step 4: Simplify right side
    64,168.79x = 3,891,696,564.74
  5. Step 5: Solve for x
    x = 3,891,696,564.74/64,168.79
  6. Step 6: Final answer
    x = 60,647.81

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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.