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Finding the Fourth Proportional to 9,905.52, 14,858.28 and 4,064.88

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Solution

The fourth proportional to 9,905.52, 14,858.28 and 4,064.88 is: 6,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.52 : 14,858.28 = 4,064.88 : x
  2. Step 2: Convert to fraction form
    9,905.52/14,858.28 = 4,064.88/x
  3. Step 3: Cross multiply
    9,905.52x = 14,858.28 × 4,064.88
  4. Step 4: Simplify right side
    9,905.52x = 60,397,125.21
  5. Step 5: Solve for x
    x = 60,397,125.21/9,905.52
  6. Step 6: Final answer
    x = 6,097.32

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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.