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Finding the Fourth Proportional to 62,646.86, 86,457.04 and 34,354.38

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Solution

The fourth proportional to 62,646.86, 86,457.04 and 34,354.38 is: 47,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,646.86 : 86,457.04 = 34,354.38 : x
  2. Step 2: Convert to fraction form
    62,646.86/86,457.04 = 34,354.38/x
  3. Step 3: Cross multiply
    62,646.86x = 86,457.04 × 34,354.38
  4. Step 4: Simplify right side
    62,646.86x = 2,970,178,005.84
  5. Step 5: Solve for x
    x = 2,970,178,005.84/62,646.86
  6. Step 6: Final answer
    x = 47,411.44

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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.