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Finding the Fourth Proportional to 52,469.77, 72,406.16 and 28,595.93

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Solution

The fourth proportional to 52,469.77, 72,406.16 and 28,595.93 is: 39,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,469.77 : 72,406.16 = 28,595.93 : x
  2. Step 2: Convert to fraction form
    52,469.77/72,406.16 = 28,595.93/x
  3. Step 3: Cross multiply
    52,469.77x = 72,406.16 × 28,595.93
  4. Step 4: Simplify right side
    52,469.77x = 2,070,521,120.90
  5. Step 5: Solve for x
    x = 2,070,521,120.90/52,469.77
  6. Step 6: Final answer
    x = 39,461.22

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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.