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Finding the Fourth Proportional to 55,447.86, 83,117.88 and 44,175.72

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Solution

The fourth proportional to 55,447.86, 83,117.88 and 44,175.72 is: 66,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,447.86 : 83,117.88 = 44,175.72 : x
  2. Step 2: Convert to fraction form
    55,447.86/83,117.88 = 44,175.72/x
  3. Step 3: Cross multiply
    55,447.86x = 83,117.88 × 44,175.72
  4. Step 4: Simplify right side
    55,447.86x = 3,671,792,193.87
  5. Step 5: Solve for x
    x = 3,671,792,193.87/55,447.86
  6. Step 6: Final answer
    x = 66,220.63

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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.