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Finding the Fourth Proportional to 18,825,707.37, 25,978,384.73 and 10,564,998.30

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Solution

The fourth proportional to 18,825,707.37, 25,978,384.73 and 10,564,998.30 is: 14,579,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825,707.37 : 25,978,384.73 = 10,564,998.30 : x
  2. Step 2: Convert to fraction form
    18,825,707.37/25,978,384.73 = 10,564,998.30/x
  3. Step 3: Cross multiply
    18,825,707.37x = 25,978,384.73 × 10,564,998.30
  4. Step 4: Simplify right side
    18,825,707.37x = 274,461,590,456,371
  5. Step 5: Solve for x
    x = 274,461,590,456,371/18,825,707.37
  6. Step 6: Final answer
    x = 14,579,085.13

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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.