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Finding the Fourth Proportional to 8,001.62, 11,041.62 and 4,815.08

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Solution

The fourth proportional to 8,001.62, 11,041.62 and 4,815.08 is: 6,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.62 : 11,041.62 = 4,815.08 : x
  2. Step 2: Convert to fraction form
    8,001.62/11,041.62 = 4,815.08/x
  3. Step 3: Cross multiply
    8,001.62x = 11,041.62 × 4,815.08
  4. Step 4: Simplify right side
    8,001.62x = 53,166,283.63
  5. Step 5: Solve for x
    x = 53,166,283.63/8,001.62
  6. Step 6: Final answer
    x = 6,644.44

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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.