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Finding the Fourth Proportional to 35,217,638.40, 49,203,916.80 and 35,217,638.40

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Solution

The fourth proportional to 35,217,638.40, 49,203,916.80 and 35,217,638.40 is: 49,203,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,217,638.40 : 49,203,916.80 = 35,217,638.40 : x
  2. Step 2: Convert to fraction form
    35,217,638.40/49,203,916.80 = 35,217,638.40/x
  3. Step 3: Cross multiply
    35,217,638.40x = 49,203,916.80 × 35,217,638.40
  4. Step 4: Simplify right side
    35,217,638.40x = 1,732,845,749,726,085
  5. Step 5: Solve for x
    x = 1,732,845,749,726,085/35,217,638.40
  6. Step 6: Final answer
    x = 49,203,916.80

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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.