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Finding the Fourth Proportional to 63,292.63, 87,302.66 and 40,595.66

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Solution

The fourth proportional to 63,292.63, 87,302.66 and 40,595.66 is: 55,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,292.63 : 87,302.66 = 40,595.66 : x
  2. Step 2: Convert to fraction form
    63,292.63/87,302.66 = 40,595.66/x
  3. Step 3: Cross multiply
    63,292.63x = 87,302.66 × 40,595.66
  4. Step 4: Simplify right side
    63,292.63x = 3,544,108,665.94
  5. Step 5: Solve for x
    x = 3,544,108,665.94/63,292.63
  6. Step 6: Final answer
    x = 55,995.60

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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.