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Finding the Fourth Proportional to 7,210,232.32, 9,939,519.84 and 5,488,353.76

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Solution

The fourth proportional to 7,210,232.32, 9,939,519.84 and 5,488,353.76 is: 7,565,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,232.32 : 9,939,519.84 = 5,488,353.76 : x
  2. Step 2: Convert to fraction form
    7,210,232.32/9,939,519.84 = 5,488,353.76/x
  3. Step 3: Cross multiply
    7,210,232.32x = 9,939,519.84 × 5,488,353.76
  4. Step 4: Simplify right side
    7,210,232.32x = 54,551,601,086,458.59
  5. Step 5: Solve for x
    x = 54,551,601,086,458.59/7,210,232.32
  6. Step 6: Final answer
    x = 7,565,859.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.