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Finding the Fourth Proportional to 6,166.90, 8,653.10 and 6,166.90

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Solution

The fourth proportional to 6,166.90, 8,653.10 and 6,166.90 is: 8,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,166.90 : 8,653.10 = 6,166.90 : x
  2. Step 2: Convert to fraction form
    6,166.90/8,653.10 = 6,166.90/x
  3. Step 3: Cross multiply
    6,166.90x = 8,653.10 × 6,166.90
  4. Step 4: Simplify right side
    6,166.90x = 53,362,802.39
  5. Step 5: Solve for x
    x = 53,362,802.39/6,166.90
  6. Step 6: Final answer
    x = 8,653.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.