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Finding the Fourth Proportional to 7,530.88, 10,389.90 and 4,544.50

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Solution

The fourth proportional to 7,530.88, 10,389.90 and 4,544.50 is: 6,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.88 : 10,389.90 = 4,544.50 : x
  2. Step 2: Convert to fraction form
    7,530.88/10,389.90 = 4,544.50/x
  3. Step 3: Cross multiply
    7,530.88x = 10,389.90 × 4,544.50
  4. Step 4: Simplify right side
    7,530.88x = 47,216,900.55
  5. Step 5: Solve for x
    x = 47,216,900.55/7,530.88
  6. Step 6: Final answer
    x = 6,269.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.