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Finding the Fourth Proportional to 7,898.99, 10,900.27 and 4,362.12

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Solution

The fourth proportional to 7,898.99, 10,900.27 and 4,362.12 is: 6,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.99 : 10,900.27 = 4,362.12 : x
  2. Step 2: Convert to fraction form
    7,898.99/10,900.27 = 4,362.12/x
  3. Step 3: Cross multiply
    7,898.99x = 10,900.27 × 4,362.12
  4. Step 4: Simplify right side
    7,898.99x = 47,548,291.23
  5. Step 5: Solve for x
    x = 47,548,291.23/7,898.99
  6. Step 6: Final answer
    x = 6,019.54

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1.5x scale

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.