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Finding the Fourth Proportional to 9,636.52, 14,455.74 and 4,443.88

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Solution

The fourth proportional to 9,636.52, 14,455.74 and 4,443.88 is: 6,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,636.52 : 14,455.74 = 4,443.88 : x
  2. Step 2: Convert to fraction form
    9,636.52/14,455.74 = 4,443.88/x
  3. Step 3: Cross multiply
    9,636.52x = 14,455.74 × 4,443.88
  4. Step 4: Simplify right side
    9,636.52x = 64,239,573.87
  5. Step 5: Solve for x
    x = 64,239,573.87/9,636.52
  6. Step 6: Final answer
    x = 6,666.26

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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.