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Finding the Fourth Proportional to 55,853.52, 83,780.04 and 14,300.40

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Solution

The fourth proportional to 55,853.52, 83,780.04 and 14,300.40 is: 21,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,853.52 : 83,780.04 = 14,300.40 : x
  2. Step 2: Convert to fraction form
    55,853.52/83,780.04 = 14,300.40/x
  3. Step 3: Cross multiply
    55,853.52x = 83,780.04 × 14,300.40
  4. Step 4: Simplify right side
    55,853.52x = 1,198,088,084.02
  5. Step 5: Solve for x
    x = 1,198,088,084.02/55,853.52
  6. Step 6: Final answer
    x = 21,450.54

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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.