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Finding the Fourth Proportional to 9,835.60, 14,752.80 and 3,992.68

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Solution

The fourth proportional to 9,835.60, 14,752.80 and 3,992.68 is: 5,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,835.60 : 14,752.80 = 3,992.68 : x
  2. Step 2: Convert to fraction form
    9,835.60/14,752.80 = 3,992.68/x
  3. Step 3: Cross multiply
    9,835.60x = 14,752.80 × 3,992.68
  4. Step 4: Simplify right side
    9,835.60x = 58,903,209.50
  5. Step 5: Solve for x
    x = 58,903,209.50/9,835.60
  6. Step 6: Final answer
    x = 5,988.78

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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.