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Finding the Fourth Proportional to 44,992.62, 67,490.78 and 15,430.79

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Solution

The fourth proportional to 44,992.62, 67,490.78 and 15,430.79 is: 23,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,992.62 : 67,490.78 = 15,430.79 : x
  2. Step 2: Convert to fraction form
    44,992.62/67,490.78 = 15,430.79/x
  3. Step 3: Cross multiply
    44,992.62x = 67,490.78 × 15,430.79
  4. Step 4: Simplify right side
    44,992.62x = 1,041,435,638.51
  5. Step 5: Solve for x
    x = 1,041,435,638.51/44,992.62
  6. Step 6: Final answer
    x = 23,146.81

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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.