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Finding the Fourth Proportional to 43,862.04, 60,509.10 and 28,750.68

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Solution

The fourth proportional to 43,862.04, 60,509.10 and 28,750.68 is: 39,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,862.04 : 60,509.10 = 28,750.68 : x
  2. Step 2: Convert to fraction form
    43,862.04/60,509.10 = 28,750.68/x
  3. Step 3: Cross multiply
    43,862.04x = 60,509.10 × 28,750.68
  4. Step 4: Simplify right side
    43,862.04x = 1,739,677,771.19
  5. Step 5: Solve for x
    x = 1,739,677,771.19/43,862.04
  6. Step 6: Final answer
    x = 39,662.49

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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.