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Finding the Fourth Proportional to 9,357.65, 14,036.43 and 3,809.68

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Solution

The fourth proportional to 9,357.65, 14,036.43 and 3,809.68 is: 5,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357.65 : 14,036.43 = 3,809.68 : x
  2. Step 2: Convert to fraction form
    9,357.65/14,036.43 = 3,809.68/x
  3. Step 3: Cross multiply
    9,357.65x = 14,036.43 × 3,809.68
  4. Step 4: Simplify right side
    9,357.65x = 53,474,271.55
  5. Step 5: Solve for x
    x = 53,474,271.55/9,357.65
  6. Step 6: Final answer
    x = 5,714.50

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1.5x scale

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.