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Finding the Fourth Proportional to 5,554.56, 8,332.02 and 1,659.18

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Solution

The fourth proportional to 5,554.56, 8,332.02 and 1,659.18 is: 2,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.56 : 8,332.02 = 1,659.18 : x
  2. Step 2: Convert to fraction form
    5,554.56/8,332.02 = 1,659.18/x
  3. Step 3: Cross multiply
    5,554.56x = 8,332.02 × 1,659.18
  4. Step 4: Simplify right side
    5,554.56x = 13,824,320.94
  5. Step 5: Solve for x
    x = 13,824,320.94/5,554.56
  6. Step 6: Final answer
    x = 2,488.82

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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.