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Finding the Fourth Proportional to 10,644,813.64, 14,689,848.90 and 5,750,035.72

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Solution

The fourth proportional to 10,644,813.64, 14,689,848.90 and 5,750,035.72 is: 7,935,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644,813.64 : 14,689,848.90 = 5,750,035.72 : x
  2. Step 2: Convert to fraction form
    10,644,813.64/14,689,848.90 = 5,750,035.72/x
  3. Step 3: Cross multiply
    10,644,813.64x = 14,689,848.90 × 5,750,035.72
  4. Step 4: Simplify right side
    10,644,813.64x = 84,467,155,896,402.70
  5. Step 5: Solve for x
    x = 84,467,155,896,402.70/10,644,813.64
  6. Step 6: Final answer
    x = 7,935,052.58

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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.