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Finding the Fourth Proportional to 50,519.51, 69,746.79 and 44,915

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Solution

The fourth proportional to 50,519.51, 69,746.79 and 44,915 is: 62,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,519.51 : 69,746.79 = 44,915 : x
  2. Step 2: Convert to fraction form
    50,519.51/69,746.79 = 44,915/x
  3. Step 3: Cross multiply
    50,519.51x = 69,746.79 × 44,915
  4. Step 4: Simplify right side
    50,519.51x = 3,132,677,072.85
  5. Step 5: Solve for x
    x = 3,132,677,072.85/50,519.51
  6. Step 6: Final answer
    x = 62,009.25

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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.