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Finding the Fourth Proportional to 52,887.90, 72,984.75 and 29,014.80

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Solution

The fourth proportional to 52,887.90, 72,984.75 and 29,014.80 is: 40,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,887.90 : 72,984.75 = 29,014.80 : x
  2. Step 2: Convert to fraction form
    52,887.90/72,984.75 = 29,014.80/x
  3. Step 3: Cross multiply
    52,887.90x = 72,984.75 × 29,014.80
  4. Step 4: Simplify right side
    52,887.90x = 2,117,637,924.30
  5. Step 5: Solve for x
    x = 2,117,637,924.30/52,887.90
  6. Step 6: Final answer
    x = 40,040.12

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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.