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Finding the Fourth Proportional to 55,603.97, 83,370.90 and 47,173.41

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Solution

The fourth proportional to 55,603.97, 83,370.90 and 47,173.41 is: 70,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,603.97 : 83,370.90 = 47,173.41 : x
  2. Step 2: Convert to fraction form
    55,603.97/83,370.90 = 47,173.41/x
  3. Step 3: Cross multiply
    55,603.97x = 83,370.90 × 47,173.41
  4. Step 4: Simplify right side
    55,603.97x = 3,932,889,647.77
  5. Step 5: Solve for x
    x = 3,932,889,647.77/55,603.97
  6. Step 6: Final answer
    x = 70,730.38

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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.