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Finding the Fourth Proportional to 56,367.78, 77,610.50 and 47,852.25

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Solution

The fourth proportional to 56,367.78, 77,610.50 and 47,852.25 is: 65,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,367.78 : 77,610.50 = 47,852.25 : x
  2. Step 2: Convert to fraction form
    56,367.78/77,610.50 = 47,852.25/x
  3. Step 3: Cross multiply
    56,367.78x = 77,610.50 × 47,852.25
  4. Step 4: Simplify right side
    56,367.78x = 3,713,836,809.36
  5. Step 5: Solve for x
    x = 3,713,836,809.36/56,367.78
  6. Step 6: Final answer
    x = 65,885.81

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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.