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Finding the Fourth Proportional to 52,683.42, 72,703.11 and 28,810.11

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Solution

The fourth proportional to 52,683.42, 72,703.11 and 28,810.11 is: 39,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,683.42 : 72,703.11 = 28,810.11 : x
  2. Step 2: Convert to fraction form
    52,683.42/72,703.11 = 28,810.11/x
  3. Step 3: Cross multiply
    52,683.42x = 72,703.11 × 28,810.11
  4. Step 4: Simplify right side
    52,683.42x = 2,094,584,596.44
  5. Step 5: Solve for x
    x = 2,094,584,596.44/52,683.42
  6. Step 6: Final answer
    x = 39,757.95

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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.