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Finding the Fourth Proportional to 42,647.51, 63,952.72 and 22,652.60

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Solution

The fourth proportional to 42,647.51, 63,952.72 and 22,652.60 is: 33,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,647.51 : 63,952.72 = 22,652.60 : x
  2. Step 2: Convert to fraction form
    42,647.51/63,952.72 = 22,652.60/x
  3. Step 3: Cross multiply
    42,647.51x = 63,952.72 × 22,652.60
  4. Step 4: Simplify right side
    42,647.51x = 1,448,695,136.10
  5. Step 5: Solve for x
    x = 1,448,695,136.10/42,647.51
  6. Step 6: Final answer
    x = 33,969.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.