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Finding the Fourth Proportional to 9,905.58, 14,850.18 and 4,637.88

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Solution

The fourth proportional to 9,905.58, 14,850.18 and 4,637.88 is: 6,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.58 : 14,850.18 = 4,637.88 : x
  2. Step 2: Convert to fraction form
    9,905.58/14,850.18 = 4,637.88/x
  3. Step 3: Cross multiply
    9,905.58x = 14,850.18 × 4,637.88
  4. Step 4: Simplify right side
    9,905.58x = 68,873,352.82
  5. Step 5: Solve for x
    x = 68,873,352.82/9,905.58
  6. Step 6: Final answer
    x = 6,952.99

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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.