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Finding the Fourth Proportional to 7,227.04, 9,978.12 and 4,437.36

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Solution

The fourth proportional to 7,227.04, 9,978.12 and 4,437.36 is: 6,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.04 : 9,978.12 = 4,437.36 : x
  2. Step 2: Convert to fraction form
    7,227.04/9,978.12 = 4,437.36/x
  3. Step 3: Cross multiply
    7,227.04x = 9,978.12 × 4,437.36
  4. Step 4: Simplify right side
    7,227.04x = 44,276,510.56
  5. Step 5: Solve for x
    x = 44,276,510.56/7,227.04
  6. Step 6: Final answer
    x = 6,126.51

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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.