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Finding the Fourth Proportional to 10,677.80, 16,016.70 and 9,584.30

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Solution

The fourth proportional to 10,677.80, 16,016.70 and 9,584.30 is: 14,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677.80 : 16,016.70 = 9,584.30 : x
  2. Step 2: Convert to fraction form
    10,677.80/16,016.70 = 9,584.30/x
  3. Step 3: Cross multiply
    10,677.80x = 16,016.70 × 9,584.30
  4. Step 4: Simplify right side
    10,677.80x = 153,508,857.81
  5. Step 5: Solve for x
    x = 153,508,857.81/10,677.80
  6. Step 6: Final answer
    x = 14,376.45

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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.