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Finding the Fourth Proportional to 7,425.84, 10,238.22 and 5,303.91

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Solution

The fourth proportional to 7,425.84, 10,238.22 and 5,303.91 is: 7,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.84 : 10,238.22 = 5,303.91 : x
  2. Step 2: Convert to fraction form
    7,425.84/10,238.22 = 5,303.91/x
  3. Step 3: Cross multiply
    7,425.84x = 10,238.22 × 5,303.91
  4. Step 4: Simplify right side
    7,425.84x = 54,302,597.44
  5. Step 5: Solve for x
    x = 54,302,597.44/7,425.84
  6. Step 6: Final answer
    x = 7,312.65

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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.