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Finding the Fourth Proportional to 5,457.65, 7,529.65 and 3,332.61

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Solution

The fourth proportional to 5,457.65, 7,529.65 and 3,332.61 is: 4,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.65 : 7,529.65 = 3,332.61 : x
  2. Step 2: Convert to fraction form
    5,457.65/7,529.65 = 3,332.61/x
  3. Step 3: Cross multiply
    5,457.65x = 7,529.65 × 3,332.61
  4. Step 4: Simplify right side
    5,457.65x = 25,093,378.55
  5. Step 5: Solve for x
    x = 25,093,378.55/5,457.65
  6. Step 6: Final answer
    x = 4,597.84

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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.