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Finding the Fourth Proportional to 18,825,703.61, 25,978,379.56 and 10,564,994.55

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Solution

The fourth proportional to 18,825,703.61, 25,978,379.56 and 10,564,994.55 is: 14,579,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825,703.61 : 25,978,379.56 = 10,564,994.55 : x
  2. Step 2: Convert to fraction form
    18,825,703.61/25,978,379.56 = 10,564,994.55/x
  3. Step 3: Cross multiply
    18,825,703.61x = 25,978,379.56 × 10,564,994.55
  4. Step 4: Simplify right side
    18,825,703.61x = 274,461,438,423,818.22
  5. Step 5: Solve for x
    x = 274,461,438,423,818.22/18,825,703.61
  6. Step 6: Final answer
    x = 14,579,079.97

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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.