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Finding the Fourth Proportional to 8,477.78, 12,702.60 and 6,000.32

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Solution

The fourth proportional to 8,477.78, 12,702.60 and 6,000.32 is: 8,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.78 : 12,702.60 = 6,000.32 : x
  2. Step 2: Convert to fraction form
    8,477.78/12,702.60 = 6,000.32/x
  3. Step 3: Cross multiply
    8,477.78x = 12,702.60 × 6,000.32
  4. Step 4: Simplify right side
    8,477.78x = 76,219,664.83
  5. Step 5: Solve for x
    x = 76,219,664.83/8,477.78
  6. Step 6: Final answer
    x = 8,990.52

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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.