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Finding the Fourth Proportional to 19,781,569.95, 29,672,354.93 and 19,781,569.95

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Solution

The fourth proportional to 19,781,569.95, 29,672,354.93 and 19,781,569.95 is: 29,672,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,569.95 : 29,672,354.93 = 19,781,569.95 : x
  2. Step 2: Convert to fraction form
    19,781,569.95/29,672,354.93 = 19,781,569.95/x
  3. Step 3: Cross multiply
    19,781,569.95x = 29,672,354.93 × 19,781,569.95
  4. Step 4: Simplify right side
    19,781,569.95x = 586,965,764,530,114.50
  5. Step 5: Solve for x
    x = 586,965,764,530,114.50/19,781,569.95
  6. Step 6: Final answer
    x = 29,672,354.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.