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Finding the Fourth Proportional to 10,865.99, 14,994.55 and 6,673.43

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Solution

The fourth proportional to 10,865.99, 14,994.55 and 6,673.43 is: 9,209.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.99 : 14,994.55 = 6,673.43 : x
  2. Step 2: Convert to fraction form
    10,865.99/14,994.55 = 6,673.43/x
  3. Step 3: Cross multiply
    10,865.99x = 14,994.55 × 6,673.43
  4. Step 4: Simplify right side
    10,865.99x = 100,065,079.81
  5. Step 5: Solve for x
    x = 100,065,079.81/10,865.99
  6. Step 6: Final answer
    x = 9,209.02

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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.