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Finding the Fourth Proportional to 9,049.24, 13,573.86 and 4,429

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Solution

The fourth proportional to 9,049.24, 13,573.86 and 4,429 is: 6,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049.24 : 13,573.86 = 4,429 : x
  2. Step 2: Convert to fraction form
    9,049.24/13,573.86 = 4,429/x
  3. Step 3: Cross multiply
    9,049.24x = 13,573.86 × 4,429
  4. Step 4: Simplify right side
    9,049.24x = 60,118,625.94
  5. Step 5: Solve for x
    x = 60,118,625.94/9,049.24
  6. Step 6: Final answer
    x = 6,643.50

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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.