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Finding the Fourth Proportional to 56,163.35, 77,486.65 and 36,031.10

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Solution

The fourth proportional to 56,163.35, 77,486.65 and 36,031.10 is: 49,710.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163.35 : 77,486.65 = 36,031.10 : x
  2. Step 2: Convert to fraction form
    56,163.35/77,486.65 = 36,031.10/x
  3. Step 3: Cross multiply
    56,163.35x = 77,486.65 × 36,031.10
  4. Step 4: Simplify right side
    56,163.35x = 2,791,929,234.82
  5. Step 5: Solve for x
    x = 2,791,929,234.82/56,163.35
  6. Step 6: Final answer
    x = 49,710.87

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1.5x scale

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.