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Finding the Fourth Proportional to 66,807.60, 92,150.10 and 42,964.44

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Solution

The fourth proportional to 66,807.60, 92,150.10 and 42,964.44 is: 59,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,807.60 : 92,150.10 = 42,964.44 : x
  2. Step 2: Convert to fraction form
    66,807.60/92,150.10 = 42,964.44/x
  3. Step 3: Cross multiply
    66,807.60x = 92,150.10 × 42,964.44
  4. Step 4: Simplify right side
    66,807.60x = 3,959,177,442.44
  5. Step 5: Solve for x
    x = 3,959,177,442.44/66,807.60
  6. Step 6: Final answer
    x = 59,262.38

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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.