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Finding the Fourth Proportional to 7,356.91, 11,036.46 and 2,973.40

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Solution

The fourth proportional to 7,356.91, 11,036.46 and 2,973.40 is: 4,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.91 : 11,036.46 = 2,973.40 : x
  2. Step 2: Convert to fraction form
    7,356.91/11,036.46 = 2,973.40/x
  3. Step 3: Cross multiply
    7,356.91x = 11,036.46 × 2,973.40
  4. Step 4: Simplify right side
    7,356.91x = 32,815,810.16
  5. Step 5: Solve for x
    x = 32,815,810.16/7,356.91
  6. Step 6: Final answer
    x = 4,460.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.