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Finding the Fourth Proportional to 61,492, 84,858.04 and 34,637.12

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Solution

The fourth proportional to 61,492, 84,858.04 and 34,637.12 is: 47,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,492 : 84,858.04 = 34,637.12 : x
  2. Step 2: Convert to fraction form
    61,492/84,858.04 = 34,637.12/x
  3. Step 3: Cross multiply
    61,492x = 84,858.04 × 34,637.12
  4. Step 4: Simplify right side
    61,492x = 2,939,238,114.44
  5. Step 5: Solve for x
    x = 2,939,238,114.44/61,492
  6. Step 6: Final answer
    x = 47,798.71

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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.