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Finding the Fourth Proportional to 66,765.60, 92,163.15 and 43,804.17

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Solution

The fourth proportional to 66,765.60, 92,163.15 and 43,804.17 is: 60,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,765.60 : 92,163.15 = 43,804.17 : x
  2. Step 2: Convert to fraction form
    66,765.60/92,163.15 = 43,804.17/x
  3. Step 3: Cross multiply
    66,765.60x = 92,163.15 × 43,804.17
  4. Step 4: Simplify right side
    66,765.60x = 4,037,130,290.34
  5. Step 5: Solve for x
    x = 4,037,130,290.34/66,765.60
  6. Step 6: Final answer
    x = 60,467.22

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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.