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Finding the Fourth Proportional to 52,503.64, 72,454.14 and 28,630.48

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Solution

The fourth proportional to 52,503.64, 72,454.14 and 28,630.48 is: 39,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,503.64 : 72,454.14 = 28,630.48 : x
  2. Step 2: Convert to fraction form
    52,503.64/72,454.14 = 28,630.48/x
  3. Step 3: Cross multiply
    52,503.64x = 72,454.14 × 28,630.48
  4. Step 4: Simplify right side
    52,503.64x = 2,074,396,806.19
  5. Step 5: Solve for x
    x = 2,074,396,806.19/52,503.64
  6. Step 6: Final answer
    x = 39,509.58

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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.