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Finding the Fourth Proportional to 8,479.68, 11,702.67 and 4,704.06

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Solution

The fourth proportional to 8,479.68, 11,702.67 and 4,704.06 is: 6,492.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.68 : 11,702.67 = 4,704.06 : x
  2. Step 2: Convert to fraction form
    8,479.68/11,702.67 = 4,704.06/x
  3. Step 3: Cross multiply
    8,479.68x = 11,702.67 × 4,704.06
  4. Step 4: Simplify right side
    8,479.68x = 55,050,050.37
  5. Step 5: Solve for x
    x = 55,050,050.37/8,479.68
  6. Step 6: Final answer
    x = 6,492.00

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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.