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Finding the Fourth Proportional to 15,606,483.45, 21,864,006.75 and 15,606,483.45

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Solution

The fourth proportional to 15,606,483.45, 21,864,006.75 and 15,606,483.45 is: 21,864,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606,483.45 : 21,864,006.75 = 15,606,483.45 : x
  2. Step 2: Convert to fraction form
    15,606,483.45/21,864,006.75 = 15,606,483.45/x
  3. Step 3: Cross multiply
    15,606,483.45x = 21,864,006.75 × 15,606,483.45
  4. Step 4: Simplify right side
    15,606,483.45x = 341,220,259,494,563.25
  5. Step 5: Solve for x
    x = 341,220,259,494,563.25/15,606,483.45
  6. Step 6: Final answer
    x = 21,864,006.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.