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Finding the Fourth Proportional to 48,645.41, 72,971.72 and 17,480.93

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Solution

The fourth proportional to 48,645.41, 72,971.72 and 17,480.93 is: 26,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,645.41 : 72,971.72 = 17,480.93 : x
  2. Step 2: Convert to fraction form
    48,645.41/72,971.72 = 17,480.93/x
  3. Step 3: Cross multiply
    48,645.41x = 72,971.72 × 17,480.93
  4. Step 4: Simplify right side
    48,645.41x = 1,275,613,529.30
  5. Step 5: Solve for x
    x = 1,275,613,529.30/48,645.41
  6. Step 6: Final answer
    x = 26,222.69

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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.