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Finding the Fourth Proportional to 66,783.15, 92,162.95 and 36,569.75

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Solution

The fourth proportional to 66,783.15, 92,162.95 and 36,569.75 is: 50,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,783.15 : 92,162.95 = 36,569.75 : x
  2. Step 2: Convert to fraction form
    66,783.15/92,162.95 = 36,569.75/x
  3. Step 3: Cross multiply
    66,783.15x = 92,162.95 × 36,569.75
  4. Step 4: Simplify right side
    66,783.15x = 3,370,375,488.52
  5. Step 5: Solve for x
    x = 3,370,375,488.52/66,783.15
  6. Step 6: Final answer
    x = 50,467.45

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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.