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Finding the Fourth Proportional to 61,893, 85,412.34 and 33,598.92

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Solution

The fourth proportional to 61,893, 85,412.34 and 33,598.92 is: 46,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,893 : 85,412.34 = 33,598.92 : x
  2. Step 2: Convert to fraction form
    61,893/85,412.34 = 33,598.92/x
  3. Step 3: Cross multiply
    61,893x = 85,412.34 × 33,598.92
  4. Step 4: Simplify right side
    61,893x = 2,869,762,378.67
  5. Step 5: Solve for x
    x = 2,869,762,378.67/61,893
  6. Step 6: Final answer
    x = 46,366.51

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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.