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Finding the Fourth Proportional to 55,751.36, 83,627.28 and 18,841.28

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Solution

The fourth proportional to 55,751.36, 83,627.28 and 18,841.28 is: 28,262.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,751.36 : 83,627.28 = 18,841.28 : x
  2. Step 2: Convert to fraction form
    55,751.36/83,627.28 = 18,841.28/x
  3. Step 3: Cross multiply
    55,751.36x = 83,627.28 × 18,841.28
  4. Step 4: Simplify right side
    55,751.36x = 1,575,644,998.12
  5. Step 5: Solve for x
    x = 1,575,644,998.12/55,751.36
  6. Step 6: Final answer
    x = 28,262.00

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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.