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Finding the Fourth Proportional to 5,848.32, 8,775.21 and 3,385.21

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Solution

The fourth proportional to 5,848.32, 8,775.21 and 3,385.21 is: 5,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,848.32 : 8,775.21 = 3,385.21 : x
  2. Step 2: Convert to fraction form
    5,848.32/8,775.21 = 3,385.21/x
  3. Step 3: Cross multiply
    5,848.32x = 8,775.21 × 3,385.21
  4. Step 4: Simplify right side
    5,848.32x = 29,705,926.33
  5. Step 5: Solve for x
    x = 29,705,926.33/5,848.32
  6. Step 6: Final answer
    x = 5,079.40

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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.