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Finding the Fourth Proportional to 56,014.40, 77,405.50 and 44,171.80

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Solution

The fourth proportional to 56,014.40, 77,405.50 and 44,171.80 is: 61,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,014.40 : 77,405.50 = 44,171.80 : x
  2. Step 2: Convert to fraction form
    56,014.40/77,405.50 = 44,171.80/x
  3. Step 3: Cross multiply
    56,014.40x = 77,405.50 × 44,171.80
  4. Step 4: Simplify right side
    56,014.40x = 3,419,140,264.90
  5. Step 5: Solve for x
    x = 3,419,140,264.90/56,014.40
  6. Step 6: Final answer
    x = 61,040.38

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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.