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Finding the Fourth Proportional to 9,499.80, 14,249.90 and 2,925.99

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Solution

The fourth proportional to 9,499.80, 14,249.90 and 2,925.99 is: 4,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,499.80 : 14,249.90 = 2,925.99 : x
  2. Step 2: Convert to fraction form
    9,499.80/14,249.90 = 2,925.99/x
  3. Step 3: Cross multiply
    9,499.80x = 14,249.90 × 2,925.99
  4. Step 4: Simplify right side
    9,499.80x = 41,695,072.22
  5. Step 5: Solve for x
    x = 41,695,072.22/9,499.80
  6. Step 6: Final answer
    x = 4,389.05

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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.