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Finding the Fourth Proportional to 7,526, 11,291.16 and 2,910.32

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Solution

The fourth proportional to 7,526, 11,291.16 and 2,910.32 is: 4,366.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526 : 11,291.16 = 2,910.32 : x
  2. Step 2: Convert to fraction form
    7,526/11,291.16 = 2,910.32/x
  3. Step 3: Cross multiply
    7,526x = 11,291.16 × 2,910.32
  4. Step 4: Simplify right side
    7,526x = 32,860,888.77
  5. Step 5: Solve for x
    x = 32,860,888.77/7,526
  6. Step 6: Final answer
    x = 4,366.32

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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.