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Finding the Fourth Proportional to 5,322,651.70, 7,983,862.26 and 1,484,372.20

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Solution

The fourth proportional to 5,322,651.70, 7,983,862.26 and 1,484,372.20 is: 2,226,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322,651.70 : 7,983,862.26 = 1,484,372.20 : x
  2. Step 2: Convert to fraction form
    5,322,651.70/7,983,862.26 = 1,484,372.20/x
  3. Step 3: Cross multiply
    5,322,651.70x = 7,983,862.26 × 1,484,372.20
  4. Step 4: Simplify right side
    5,322,651.70x = 11,851,023,187,373.17
  5. Step 5: Solve for x
    x = 11,851,023,187,373.17/5,322,651.70
  6. Step 6: Final answer
    x = 2,226,526.15

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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.