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Finding the Fourth Proportional to 61,573.80, 84,970.14 and 34,716.07

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Solution

The fourth proportional to 61,573.80, 84,970.14 and 34,716.07 is: 47,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,573.80 : 84,970.14 = 34,716.07 : x
  2. Step 2: Convert to fraction form
    61,573.80/84,970.14 = 34,716.07/x
  3. Step 3: Cross multiply
    61,573.80x = 84,970.14 × 34,716.07
  4. Step 4: Simplify right side
    61,573.80x = 2,949,829,328.15
  5. Step 5: Solve for x
    x = 2,949,829,328.15/61,573.80
  6. Step 6: Final answer
    x = 47,907.22

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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.