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Finding the Fourth Proportional to 8,740.98, 12,062.88 and 4,963.95

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Solution

The fourth proportional to 8,740.98, 12,062.88 and 4,963.95 is: 6,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.98 : 12,062.88 = 4,963.95 : x
  2. Step 2: Convert to fraction form
    8,740.98/12,062.88 = 4,963.95/x
  3. Step 3: Cross multiply
    8,740.98x = 12,062.88 × 4,963.95
  4. Step 4: Simplify right side
    8,740.98x = 59,879,533.18
  5. Step 5: Solve for x
    x = 59,879,533.18/8,740.98
  6. Step 6: Final answer
    x = 6,850.44

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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.