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Finding the Fourth Proportional to 56,881.44, 78,459.84 and 34,525.44

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Solution

The fourth proportional to 56,881.44, 78,459.84 and 34,525.44 is: 47,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,881.44 : 78,459.84 = 34,525.44 : x
  2. Step 2: Convert to fraction form
    56,881.44/78,459.84 = 34,525.44/x
  3. Step 3: Cross multiply
    56,881.44x = 78,459.84 × 34,525.44
  4. Step 4: Simplify right side
    56,881.44x = 2,708,860,498.33
  5. Step 5: Solve for x
    x = 2,708,860,498.33/56,881.44
  6. Step 6: Final answer
    x = 47,622.92

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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.