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Finding the Fourth Proportional to 52,555.77, 72,527.22 and 28,683

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Solution

The fourth proportional to 52,555.77, 72,527.22 and 28,683 is: 39,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,555.77 : 72,527.22 = 28,683 : x
  2. Step 2: Convert to fraction form
    52,555.77/72,527.22 = 28,683/x
  3. Step 3: Cross multiply
    52,555.77x = 72,527.22 × 28,683
  4. Step 4: Simplify right side
    52,555.77x = 2,080,298,251.26
  5. Step 5: Solve for x
    x = 2,080,298,251.26/52,555.77
  6. Step 6: Final answer
    x = 39,582.68

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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.