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Finding the Fourth Proportional to 8,057, 11,118.69 and 4,702.13

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Solution

The fourth proportional to 8,057, 11,118.69 and 4,702.13 is: 6,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057 : 11,118.69 = 4,702.13 : x
  2. Step 2: Convert to fraction form
    8,057/11,118.69 = 4,702.13/x
  3. Step 3: Cross multiply
    8,057x = 11,118.69 × 4,702.13
  4. Step 4: Simplify right side
    8,057x = 52,281,525.81
  5. Step 5: Solve for x
    x = 52,281,525.81/8,057
  6. Step 6: Final answer
    x = 6,488.96

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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.