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Finding the Fourth Proportional to 6,358.44, 8,776.98 and 4,783.80

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Solution

The fourth proportional to 6,358.44, 8,776.98 and 4,783.80 is: 6,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.44 : 8,776.98 = 4,783.80 : x
  2. Step 2: Convert to fraction form
    6,358.44/8,776.98 = 4,783.80/x
  3. Step 3: Cross multiply
    6,358.44x = 8,776.98 × 4,783.80
  4. Step 4: Simplify right side
    6,358.44x = 41,987,316.92
  5. Step 5: Solve for x
    x = 41,987,316.92/6,358.44
  6. Step 6: Final answer
    x = 6,603.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.