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Finding the Fourth Proportional to 7,011.60, 10,529.55 and 3,731.10

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Solution

The fourth proportional to 7,011.60, 10,529.55 and 3,731.10 is: 5,603.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.60 : 10,529.55 = 3,731.10 : x
  2. Step 2: Convert to fraction form
    7,011.60/10,529.55 = 3,731.10/x
  3. Step 3: Cross multiply
    7,011.60x = 10,529.55 × 3,731.10
  4. Step 4: Simplify right side
    7,011.60x = 39,286,804.01
  5. Step 5: Solve for x
    x = 39,286,804.01/7,011.60
  6. Step 6: Final answer
    x = 5,603.12

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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.