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Finding the Fourth Proportional to 5,784.90, 8,664.38 and 4,482.42

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Solution

The fourth proportional to 5,784.90, 8,664.38 and 4,482.42 is: 6,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.90 : 8,664.38 = 4,482.42 : x
  2. Step 2: Convert to fraction form
    5,784.90/8,664.38 = 4,482.42/x
  3. Step 3: Cross multiply
    5,784.90x = 8,664.38 × 4,482.42
  4. Step 4: Simplify right side
    5,784.90x = 38,837,390.20
  5. Step 5: Solve for x
    x = 38,837,390.20/5,784.90
  6. Step 6: Final answer
    x = 6,713.58

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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.