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Finding the Fourth Proportional to 5,878.76, 8,813.02 and 3,285.48

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Solution

The fourth proportional to 5,878.76, 8,813.02 and 3,285.48 is: 4,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.76 : 8,813.02 = 3,285.48 : x
  2. Step 2: Convert to fraction form
    5,878.76/8,813.02 = 3,285.48/x
  3. Step 3: Cross multiply
    5,878.76x = 8,813.02 × 3,285.48
  4. Step 4: Simplify right side
    5,878.76x = 28,955,000.95
  5. Step 5: Solve for x
    x = 28,955,000.95/5,878.76
  6. Step 6: Final answer
    x = 4,925.36

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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.