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Finding the Fourth Proportional to 9,860.68, 14,786.98 and 4,924.44

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Solution

The fourth proportional to 9,860.68, 14,786.98 and 4,924.44 is: 7,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.68 : 14,786.98 = 4,924.44 : x
  2. Step 2: Convert to fraction form
    9,860.68/14,786.98 = 4,924.44/x
  3. Step 3: Cross multiply
    9,860.68x = 14,786.98 × 4,924.44
  4. Step 4: Simplify right side
    9,860.68x = 72,817,595.79
  5. Step 5: Solve for x
    x = 72,817,595.79/9,860.68
  6. Step 6: Final answer
    x = 7,384.64

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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.