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Finding the Fourth Proportional to 30,055.68, 41,475.48 and 16,443.48

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Solution

The fourth proportional to 30,055.68, 41,475.48 and 16,443.48 is: 22,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,055.68 : 41,475.48 = 16,443.48 : x
  2. Step 2: Convert to fraction form
    30,055.68/41,475.48 = 16,443.48/x
  3. Step 3: Cross multiply
    30,055.68x = 41,475.48 × 16,443.48
  4. Step 4: Simplify right side
    30,055.68x = 682,001,225.87
  5. Step 5: Solve for x
    x = 682,001,225.87/30,055.68
  6. Step 6: Final answer
    x = 22,691.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.