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Finding the Fourth Proportional to 9,343.99, 14,007.79 and 4,415.05

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Solution

The fourth proportional to 9,343.99, 14,007.79 and 4,415.05 is: 6,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.99 : 14,007.79 = 4,415.05 : x
  2. Step 2: Convert to fraction form
    9,343.99/14,007.79 = 4,415.05/x
  3. Step 3: Cross multiply
    9,343.99x = 14,007.79 × 4,415.05
  4. Step 4: Simplify right side
    9,343.99x = 61,845,093.24
  5. Step 5: Solve for x
    x = 61,845,093.24/9,343.99
  6. Step 6: Final answer
    x = 6,618.70

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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.