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Finding the Fourth Proportional to 66,924.95, 100,280.80 and 35,333.74

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Solution

The fourth proportional to 66,924.95, 100,280.80 and 35,333.74 is: 52,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.95 : 100,280.80 = 35,333.74 : x
  2. Step 2: Convert to fraction form
    66,924.95/100,280.80 = 35,333.74/x
  3. Step 3: Cross multiply
    66,924.95x = 100,280.80 × 35,333.74
  4. Step 4: Simplify right side
    66,924.95x = 3,543,295,036.12
  5. Step 5: Solve for x
    x = 3,543,295,036.12/66,924.95
  6. Step 6: Final answer
    x = 52,944.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.