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Finding the Fourth Proportional to 64,929.69, 89,603.01 and 35,858.12

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Solution

The fourth proportional to 64,929.69, 89,603.01 and 35,858.12 is: 49,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,929.69 : 89,603.01 = 35,858.12 : x
  2. Step 2: Convert to fraction form
    64,929.69/89,603.01 = 35,858.12/x
  3. Step 3: Cross multiply
    64,929.69x = 89,603.01 × 35,858.12
  4. Step 4: Simplify right side
    64,929.69x = 3,212,995,036.93
  5. Step 5: Solve for x
    x = 3,212,995,036.93/64,929.69
  6. Step 6: Final answer
    x = 49,484.22

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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.