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Finding the Fourth Proportional to 14,725.99, 20,323.20 and 9,062.20

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Solution

The fourth proportional to 14,725.99, 20,323.20 and 9,062.20 is: 12,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.99 : 20,323.20 = 9,062.20 : x
  2. Step 2: Convert to fraction form
    14,725.99/20,323.20 = 9,062.20/x
  3. Step 3: Cross multiply
    14,725.99x = 20,323.20 × 9,062.20
  4. Step 4: Simplify right side
    14,725.99x = 184,172,903.04
  5. Step 5: Solve for x
    x = 184,172,903.04/14,725.99
  6. Step 6: Final answer
    x = 12,506.66

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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.