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Finding the Fourth Proportional to 7,034.77, 10,556 and 2,356.21

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Solution

The fourth proportional to 7,034.77, 10,556 and 2,356.21 is: 3,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.77 : 10,556 = 2,356.21 : x
  2. Step 2: Convert to fraction form
    7,034.77/10,556 = 2,356.21/x
  3. Step 3: Cross multiply
    7,034.77x = 10,556 × 2,356.21
  4. Step 4: Simplify right side
    7,034.77x = 24,872,152.76
  5. Step 5: Solve for x
    x = 24,872,152.76/7,034.77
  6. Step 6: Final answer
    x = 3,535.60

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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.