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Finding the Fourth Proportional to 5,915.88, 8,873.82 and 2,020.32

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Solution

The fourth proportional to 5,915.88, 8,873.82 and 2,020.32 is: 3,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.88 : 8,873.82 = 2,020.32 : x
  2. Step 2: Convert to fraction form
    5,915.88/8,873.82 = 2,020.32/x
  3. Step 3: Cross multiply
    5,915.88x = 8,873.82 × 2,020.32
  4. Step 4: Simplify right side
    5,915.88x = 17,927,956.02
  5. Step 5: Solve for x
    x = 17,927,956.02/5,915.88
  6. Step 6: Final answer
    x = 3,030.48

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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.