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Finding the Fourth Proportional to 55,465.98, 83,202.12 and 37,689.12

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Solution

The fourth proportional to 55,465.98, 83,202.12 and 37,689.12 is: 56,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,465.98 : 83,202.12 = 37,689.12 : x
  2. Step 2: Convert to fraction form
    55,465.98/83,202.12 = 37,689.12/x
  3. Step 3: Cross multiply
    55,465.98x = 83,202.12 × 37,689.12
  4. Step 4: Simplify right side
    55,465.98x = 3,135,814,684.93
  5. Step 5: Solve for x
    x = 3,135,814,684.93/55,465.98
  6. Step 6: Final answer
    x = 56,535.82

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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.