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Finding the Fourth Proportional to 10,521,549, 14,519,737.62 and 5,692,653

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Solution

The fourth proportional to 10,521,549, 14,519,737.62 and 5,692,653 is: 7,855,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521,549 : 14,519,737.62 = 5,692,653 : x
  2. Step 2: Convert to fraction form
    10,521,549/14,519,737.62 = 5,692,653/x
  3. Step 3: Cross multiply
    10,521,549x = 14,519,737.62 × 5,692,653
  4. Step 4: Simplify right side
    10,521,549x = 82,655,827,921,705.86
  5. Step 5: Solve for x
    x = 82,655,827,921,705.86/10,521,549
  6. Step 6: Final answer
    x = 7,855,861.14

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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.