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Finding the Fourth Proportional to 64,650,605.70, 89,219,725.56 and 35,283,823.02

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Solution

The fourth proportional to 64,650,605.70, 89,219,725.56 and 35,283,823.02 is: 48,692,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,650,605.70 : 89,219,725.56 = 35,283,823.02 : x
  2. Step 2: Convert to fraction form
    64,650,605.70/89,219,725.56 = 35,283,823.02/x
  3. Step 3: Cross multiply
    64,650,605.70x = 89,219,725.56 × 35,283,823.02
  4. Step 4: Simplify right side
    64,650,605.70x = 3,148,013,006,552,011
  5. Step 5: Solve for x
    x = 3,148,013,006,552,011/64,650,605.70
  6. Step 6: Final answer
    x = 48,692,707.09

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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.