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Finding the Fourth Proportional to 70,953.67, 106,358.64 and 46,009.54

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Solution

The fourth proportional to 70,953.67, 106,358.64 and 46,009.54 is: 68,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.67 : 106,358.64 = 46,009.54 : x
  2. Step 2: Convert to fraction form
    70,953.67/106,358.64 = 46,009.54/x
  3. Step 3: Cross multiply
    70,953.67x = 106,358.64 × 46,009.54
  4. Step 4: Simplify right side
    70,953.67x = 4,893,512,101.43
  5. Step 5: Solve for x
    x = 4,893,512,101.43/70,953.67
  6. Step 6: Final answer
    x = 68,967.71

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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.