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Finding the Fourth Proportional to 64,982,546.52, 97,473,068.22 and 15,798,678.39

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Solution

The fourth proportional to 64,982,546.52, 97,473,068.22 and 15,798,678.39 is: 23,697,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,982,546.52 : 97,473,068.22 = 15,798,678.39 : x
  2. Step 2: Convert to fraction form
    64,982,546.52/97,473,068.22 = 15,798,678.39/x
  3. Step 3: Cross multiply
    64,982,546.52x = 97,473,068.22 × 15,798,678.39
  4. Step 4: Simplify right side
    64,982,546.52x = 1,539,945,656,494,309.75
  5. Step 5: Solve for x
    x = 1,539,945,656,494,309.75/64,982,546.52
  6. Step 6: Final answer
    x = 23,697,834.86

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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.