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Finding the Fourth Proportional to 4,444.61, 6,659.61 and 1,521.32

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Solution

The fourth proportional to 4,444.61, 6,659.61 and 1,521.32 is: 2,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,444.61 : 6,659.61 = 1,521.32 : x
  2. Step 2: Convert to fraction form
    4,444.61/6,659.61 = 1,521.32/x
  3. Step 3: Cross multiply
    4,444.61x = 6,659.61 × 1,521.32
  4. Step 4: Simplify right side
    4,444.61x = 10,131,397.89
  5. Step 5: Solve for x
    x = 10,131,397.89/4,444.61
  6. Step 6: Final answer
    x = 2,279.48

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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.