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Finding the Fourth Proportional to 55,903.88, 83,855.82 and 14,350.88

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Solution

The fourth proportional to 55,903.88, 83,855.82 and 14,350.88 is: 21,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,903.88 : 83,855.82 = 14,350.88 : x
  2. Step 2: Convert to fraction form
    55,903.88/83,855.82 = 14,350.88/x
  3. Step 3: Cross multiply
    55,903.88x = 83,855.82 × 14,350.88
  4. Step 4: Simplify right side
    55,903.88x = 1,203,404,810.12
  5. Step 5: Solve for x
    x = 1,203,404,810.12/55,903.88
  6. Step 6: Final answer
    x = 21,526.32

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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.