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Finding the Fourth Proportional to 10,865.81, 14,994.29 and 6,673.25

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Solution

The fourth proportional to 10,865.81, 14,994.29 and 6,673.25 is: 9,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.81 : 14,994.29 = 6,673.25 : x
  2. Step 2: Convert to fraction form
    10,865.81/14,994.29 = 6,673.25/x
  3. Step 3: Cross multiply
    10,865.81x = 14,994.29 × 6,673.25
  4. Step 4: Simplify right side
    10,865.81x = 100,060,570.77
  5. Step 5: Solve for x
    x = 100,060,570.77/10,865.81
  6. Step 6: Final answer
    x = 9,208.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.