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Finding the Fourth Proportional to 8,036.47, 11,089.47 and 4,499.20

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Solution

The fourth proportional to 8,036.47, 11,089.47 and 4,499.20 is: 6,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,036.47 : 11,089.47 = 4,499.20 : x
  2. Step 2: Convert to fraction form
    8,036.47/11,089.47 = 4,499.20/x
  3. Step 3: Cross multiply
    8,036.47x = 11,089.47 × 4,499.20
  4. Step 4: Simplify right side
    8,036.47x = 49,893,743.42
  5. Step 5: Solve for x
    x = 49,893,743.42/8,036.47
  6. Step 6: Final answer
    x = 6,208.42

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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.