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Finding the Fourth Proportional to 55,998.60, 83,973.60 and 18,544.20

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Solution

The fourth proportional to 55,998.60, 83,973.60 and 18,544.20 is: 27,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,998.60 : 83,973.60 = 18,544.20 : x
  2. Step 2: Convert to fraction form
    55,998.60/83,973.60 = 18,544.20/x
  3. Step 3: Cross multiply
    55,998.60x = 83,973.60 × 18,544.20
  4. Step 4: Simplify right side
    55,998.60x = 1,557,223,233.12
  5. Step 5: Solve for x
    x = 1,557,223,233.12/55,998.60
  6. Step 6: Final answer
    x = 27,808.25

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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.