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Finding the Fourth Proportional to 61,570.67, 84,966.40 and 34,713.21

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Solution

The fourth proportional to 61,570.67, 84,966.40 and 34,713.21 is: 47,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,570.67 : 84,966.40 = 34,713.21 : x
  2. Step 2: Convert to fraction form
    61,570.67/84,966.40 = 34,713.21/x
  3. Step 3: Cross multiply
    61,570.67x = 84,966.40 × 34,713.21
  4. Step 4: Simplify right side
    61,570.67x = 2,949,456,486.14
  5. Step 5: Solve for x
    x = 2,949,456,486.14/61,570.67
  6. Step 6: Final answer
    x = 47,903.60

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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.