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Finding the Fourth Proportional to 55,654.40, 83,481.60 and 14,101.40

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Solution

The fourth proportional to 55,654.40, 83,481.60 and 14,101.40 is: 21,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,654.40 : 83,481.60 = 14,101.40 : x
  2. Step 2: Convert to fraction form
    55,654.40/83,481.60 = 14,101.40/x
  3. Step 3: Cross multiply
    55,654.40x = 83,481.60 × 14,101.40
  4. Step 4: Simplify right side
    55,654.40x = 1,177,207,434.24
  5. Step 5: Solve for x
    x = 1,177,207,434.24/55,654.40
  6. Step 6: Final answer
    x = 21,152.10

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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.