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Finding the Fourth Proportional to 18,596,444.88, 27,894,945.58 and 7,082,548.02

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Solution

The fourth proportional to 18,596,444.88, 27,894,945.58 and 7,082,548.02 is: 10,623,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596,444.88 : 27,894,945.58 = 7,082,548.02 : x
  2. Step 2: Convert to fraction form
    18,596,444.88/27,894,945.58 = 7,082,548.02/x
  3. Step 3: Cross multiply
    18,596,444.88x = 27,894,945.58 × 7,082,548.02
  4. Step 4: Simplify right side
    18,596,444.88x = 197,567,291,585,636.72
  5. Step 5: Solve for x
    x = 197,567,291,585,636.72/18,596,444.88
  6. Step 6: Final answer
    x = 10,623,928.01

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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.